72910474 has 16 divisors (see below), whose sum is σ = 134604288. Its totient is φ = 28843632.

The previous prime is 72910471. The next prime is 72910511. The reversal of 72910474 is 47401927.

It is not an unprimeable number, because it can be changed into a prime (72910471) 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, 200122 + ... + 200485.

It is an arithmetic number, because the mean of its divisors is an integer number (8412768).

Almost surely, 2^72910474 is an apocalyptic number.

72910474 is a deficient number, since it is larger than the sum of its proper divisors (61693814).

72910474 is a wasteful number, since it uses less digits than its factorization.

72910474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400629.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 72910474 is about 8538.7630251694. The cubic root of 72910474 is about 417.7630006520.

The spelling of 72910474 in words is "seventy-two million, nine hundred ten thousand, four hundred seventy-four".