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75674993 = 591282627
BaseRepresentation
bin1001000001010…
…11010101110001
312021101200120112
410200223111301
5123333044433
611301551105
71606140542
oct440532561
9167350515
1075674993
1139797819
1221415495
13128a7904
14a09c4c9
15699c348
hex482b571

75674993 has 4 divisors (see below), whose sum is σ = 76957680. Its totient is φ = 74392308.

The previous prime is 75674941. The next prime is 75675011. The reversal of 75674993 is 39947657.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75674993 - 28 = 75674737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75674923) 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, 641255 + ... + 641372.

It is an arithmetic number, because the mean of its divisors is an integer number (19239420).

Almost surely, 275674993 is an apocalyptic number.

It is an amenable number.

75674993 is a deficient number, since it is larger than the sum of its proper divisors (1282687).

75674993 is a wasteful number, since it uses less digits than its factorization.

75674993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282686.

The product of its digits is 1428840, while the sum is 50.

The square root of 75674993 is about 8699.1374859810. The cubic root of 75674993 is about 422.9776920240.

It can be divided in two parts, 75674 and 993, that added together give a palindrome (76667).

The spelling of 75674993 in words is "seventy-five million, six hundred seventy-four thousand, nine hundred ninety-three".

Divisors: 1 59 1282627 75674993