74664677 has 4 divisors (see below), whose sum is σ = 75930240. Its totient is φ = 73399116.

The previous prime is 74664593. The next prime is 74664679. The reversal of 74664677 is 77646647.

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 74664677 - 2¹⁰ = 74663653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74664679) 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, 632693 + ... + 632810.

It is an arithmetic number, because the mean of its divisors is an integer number (18982560).

Almost surely, 2^74664677 is an apocalyptic number.

It is an amenable number.

74664677 is a deficient number, since it is larger than the sum of its proper divisors (1265563).

74664677 is a wasteful number, since it uses less digits than its factorization.

74664677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265562.

The product of its digits is 1185408, while the sum is 47.

The square root of 74664677 is about 8640.8724675232. The cubic root of 74664677 is about 421.0868994980.

The spelling of 74664677 in words is "seventy-four million, six hundred sixty-four thousand, six hundred seventy-seven".