74113657 has 4 divisors (see below), whose sum is σ = 74806416. Its totient is φ = 73420900.

The previous prime is 74113651. The next prime is 74113667. The reversal of 74113657 is 75631147.

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 74113657 - 2¹⁵ = 74080889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74113651) 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, 346219 + ... + 346432.

It is an arithmetic number, because the mean of its divisors is an integer number (18701604).

Almost surely, 2^74113657 is an apocalyptic number.

It is an amenable number.

74113657 is a deficient number, since it is larger than the sum of its proper divisors (692759).

74113657 is a wasteful number, since it uses less digits than its factorization.

74113657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692758.

The product of its digits is 17640, while the sum is 34.

The square root of 74113657 is about 8608.9289113106. The cubic root of 74113657 is about 420.0484770198.

The spelling of 74113657 in words is "seventy-four million, one hundred thirteen thousand, six hundred fifty-seven".