74864687 has 8 divisors (see below), whose sum is σ = 76272000. Its totient is φ = 73462104.

The previous prime is 74864683. The next prime is 74864711. The reversal of 74864687 is 78646847.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74864687 - 2² = 74864683 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 (74864681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52814 + ... + 54212.

It is an arithmetic number, because the mean of its divisors is an integer number (9534000).

Almost surely, 2^74864687 is an apocalyptic number.

74864687 is a deficient number, since it is larger than the sum of its proper divisors (1407313).

74864687 is a wasteful number, since it uses less digits than its factorization.

74864687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365.

The product of its digits is 1806336, while the sum is 50.

The square root of 74864687 is about 8652.4382112789. The cubic root of 74864687 is about 421.4625635213.

The spelling of 74864687 in words is "seventy-four million, eight hundred sixty-four thousand, six hundred eighty-seven".