74490764 has 12 divisors (see below), whose sum is σ = 131042688. Its totient is φ = 37050000.

The previous prime is 74490751. The next prime is 74490769. The reversal of 74490764 is 46709447.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (74490769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47987 + ... + 49514.

It is an arithmetic number, because the mean of its divisors is an integer number (10920224).

Almost surely, 2^74490764 is an apocalyptic number.

It is an amenable number.

74490764 is a deficient number, since it is larger than the sum of its proper divisors (56551924).

74490764 is a wasteful number, since it uses less digits than its factorization.

74490764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97696 (or 97694 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 74490764 is about 8630.8032071181. The cubic root of 74490764 is about 420.7597058744.

The spelling of 74490764 in words is "seventy-four million, four hundred ninety thousand, seven hundred sixty-four".