74649764 has 24 divisors (see below), whose sum is σ = 149710848. Its totient is φ = 31904640.

The previous prime is 74649761. The next prime is 74649769. The reversal of 74649764 is 46794647.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (74649761) 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, 7244 + ... + 14204.

It is an arithmetic number, because the mean of its divisors is an integer number (6237952).

Almost surely, 2^74649764 is an apocalyptic number.

It is an amenable number.

74649764 is an abundant number, since it is smaller than the sum of its proper divisors (75061084).

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

74649764 is a wasteful number, since it uses less digits than its factorization.

74649764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7355 (or 7353 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 47.

The square root of 74649764 is about 8640.0094907355. The cubic root of 74649764 is about 421.0588626479.

The spelling of 74649764 in words is "seventy-four million, six hundred forty-nine thousand, seven hundred sixty-four".