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74864 = 244679
BaseRepresentation
bin10010010001110000
310210200202
4102101300
54343424
61334332
7431156
oct222160
9123622
1074864
1151279
12373a8
13280ca
141d3d6
15172ae
hex12470

74864 has 10 divisors (see below), whose sum is σ = 145080. Its totient is φ = 37424.

The previous prime is 74861. The next prime is 74869. The reversal of 74864 is 46847.

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 74864.

It is not an unprimeable number, because it can be changed into a prime (74861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2324 + ... + 2355.

It is an arithmetic number, because the mean of its divisors is an integer number (14508).

274864 is an apocalyptic number.

It is an amenable number.

74864 is a deficient number, since it is larger than the sum of its proper divisors (70216).

74864 is a wasteful number, since it uses less digits than its factorization.

74864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687 (or 4681 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 74864 is about 273.6128651946. The cubic root of 74864 is about 42.1461274326.

It can be divided in two parts, 74 and 864, that multiplied together give a palindrome (63936).

The spelling of 74864 in words is "seventy-four thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 4679 9358 18716 37432 74864