74777113 has 4 divisors (see below), whose sum is σ = 74799360. Its totient is φ = 74754868.

The previous prime is 74777069. The next prime is 74777119. The reversal of 74777113 is 31177747.

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 a de Polignac number, because none of the positive numbers 2^k-74777113 is a prime.

It is a super-2 number, since 2×74777113² = 11183233257229538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74777119) 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, 4933 + ... + 13186.

It is an arithmetic number, because the mean of its divisors is an integer number (18699840).

Almost surely, 2^74777113 is an apocalyptic number.

It is an amenable number.

74777113 is a deficient number, since it is larger than the sum of its proper divisors (22247).

74777113 is a wasteful number, since it uses less digits than its factorization.

74777113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22246.

The product of its digits is 28812, while the sum is 37.

The square root of 74777113 is about 8647.3760760129. The cubic root of 74777113 is about 421.2981621858.

The spelling of 74777113 in words is "seventy-four million, seven hundred seventy-seven thousand, one hundred thirteen".