74990064 has 20 divisors (see below), whose sum is σ = 193724456. Its totient is φ = 24996672.

The previous prime is 74990063. The next prime is 74990087. The reversal of 74990064 is 46009947.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74990063) 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, 781099 + ... + 781194.

Almost surely, 2^74990064 is an apocalyptic number.

It is an amenable number.

74990064 is an abundant number, since it is smaller than the sum of its proper divisors (118734392).

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

74990064 is a wasteful number, since it uses less digits than its factorization.

74990064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562304 (or 1562298 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 74990064 is about 8659.6803636162. The cubic root of 74990064 is about 421.6977088352.

The spelling of 74990064 in words is "seventy-four million, nine hundred ninety thousand, sixty-four".