74677636 has 48 divisors (see below), whose sum is σ = 150087168. Its totient is φ = 32198400.

The previous prime is 74677621. The next prime is 74677637. The reversal of 74677636 is 63677647.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (74677637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71776 + ... + 72808.

It is an arithmetic number, because the mean of its divisors is an integer number (3126816).

Almost surely, 2^74677636 is an apocalyptic number.

It is an amenable number.

74677636 is an abundant number, since it is smaller than the sum of its proper divisors (75409532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74677636 is a wasteful number, since it uses less digits than its factorization.

74677636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1130 counting only the distinct ones).

The product of its digits is 889056, while the sum is 46.

The square root of 74677636 is about 8641.6223013969. The cubic root of 74677636 is about 421.1112597429. Note that the first 3 decimals are identical.

The spelling of 74677636 in words is "seventy-four million, six hundred seventy-seven thousand, six hundred thirty-six".