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74693 = 113661
BaseRepresentation
bin10010001111000101
310210110102
4102033011
54342233
61333445
7430523
oct221705
9123412
1074693
1151133
1237285
1327cc8
141d313
15171e8
hex123c5

74693 has 4 divisors (see below), whose sum is σ = 75468. Its totient is φ = 73920.

The previous prime is 74687. The next prime is 74699. The reversal of 74693 is 39647.

It can be divided in two parts, 746 and 93, that multiplied together give a triangular number (69378 = T372).

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 39647 = 41967.

It is an interprime number because it is at equal distance from previous prime (74687) and next prime (74699).

It can be written as a sum of positive squares in 2 ways, for example, as 24964 + 49729 = 158^2 + 223^2 .

It is a cyclic number.

It is not a de Polignac number, because 74693 - 214 = 58309 is a prime.

It is a Duffinian number.

It is a plaindrome in base 6.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 74693.

It is not an unprimeable number, because it can be changed into a prime (74699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218 + ... + 443.

It is an arithmetic number, because the mean of its divisors is an integer number (18867).

274693 is an apocalyptic number.

It is an amenable number.

74693 is a deficient number, since it is larger than the sum of its proper divisors (775).

74693 is a wasteful number, since it uses less digits than its factorization.

74693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774.

The product of its digits is 4536, while the sum is 29.

The square root of 74693 is about 273.3002012440. The cubic root of 74693 is about 42.1140137240.

The spelling of 74693 in words is "seventy-four thousand, six hundred ninety-three".

Divisors: 1 113 661 74693