74117272 has 32 divisors (see below), whose sum is σ = 144698400. Its totient is φ = 35547904.

The previous prime is 74117227. The next prime is 74117287. The reversal of 74117272 is 27271147.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37788 + ... + 39700.

It is an arithmetic number, because the mean of its divisors is an integer number (4521825).

Almost surely, 2^74117272 is an apocalyptic number.

It is an amenable number.

74117272 is a deficient number, since it is larger than the sum of its proper divisors (70581128).

74117272 is a wasteful number, since it uses less digits than its factorization.

74117272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115 (or 2111 counting only the distinct ones).

The product of its digits is 5488, while the sum is 31.

The square root of 74117272 is about 8609.1388651827. The cubic root of 74117272 is about 420.0553063979.

The spelling of 74117272 in words is "seventy-four million, one hundred seventeen thousand, two hundred seventy-two".