74728364 has 6 divisors (see below), whose sum is σ = 130774644. Its totient is φ = 37364180.

The previous prime is 74728361. The next prime is 74728373. The reversal of 74728364 is 46382747.

It is a super-2 number, since 2×74728364² = 11168656772232992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74728361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9341042 + ... + 9341049.

It is an arithmetic number, because the mean of its divisors is an integer number (21795774).

Almost surely, 2^74728364 is an apocalyptic number.

It is an amenable number.

74728364 is a deficient number, since it is larger than the sum of its proper divisors (56046280).

74728364 is a wasteful number, since it uses less digits than its factorization.

74728364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18682095 (or 18682093 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 74728364 is about 8644.5569001540. The cubic root of 74728364 is about 421.2065908126.

The spelling of 74728364 in words is "seventy-four million, seven hundred twenty-eight thousand, three hundred sixty-four".