74747164 has 12 divisors (see below), whose sum is σ = 138502224. Its totient is φ = 35175104.

The previous prime is 74747137. The next prime is 74747209. The reversal of 74747164 is 46174747.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549544 + ... + 549679.

It is an arithmetic number, because the mean of its divisors is an integer number (11541852).

Almost surely, 2^74747164 is an apocalyptic number.

It is an amenable number.

74747164 is a deficient number, since it is larger than the sum of its proper divisors (63755060).

74747164 is a wasteful number, since it uses less digits than its factorization.

74747164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099244 (or 1099242 counting only the distinct ones).

The product of its digits is 131712, while the sum is 40.

The square root of 74747164 is about 8645.6442212249. The cubic root of 74747164 is about 421.2419099316.

The spelling of 74747164 in words is "seventy-four million, seven hundred forty-seven thousand, one hundred sixty-four".