72374157 has 12 divisors (see below), whose sum is σ = 104626080. Its totient is φ = 48209928.

The previous prime is 72374153. The next prime is 72374167. The reversal of 72374157 is 75147327.

72374157 is a `hidden beast` number, since 7 + 237 + 415 + 7 = 666.

It is not a de Polignac number, because 72374157 - 2² = 72374153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72374153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12088 + ... + 17054.

It is an arithmetic number, because the mean of its divisors is an integer number (8718840).

Almost surely, 2^72374157 is an apocalyptic number.

It is an amenable number.

72374157 is a deficient number, since it is larger than the sum of its proper divisors (32251923).

72374157 is a wasteful number, since it uses less digits than its factorization.

72374157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6592 (or 6589 counting only the distinct ones).

The product of its digits is 41160, while the sum is 36.

The square root of 72374157 is about 8507.3002180480. The cubic root of 72374157 is about 416.7361476309.

The spelling of 72374157 in words is "seventy-two million, three hundred seventy-four thousand, one hundred fifty-seven".