72616258 has 24 divisors (see below), whose sum is σ = 128676816. Its totient is φ = 30466800.

The previous prime is 72616249. The next prime is 72616277. The reversal of 72616258 is 85261627.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6048 + ... + 13483.

It is an arithmetic number, because the mean of its divisors is an integer number (5361534).

Almost surely, 2^72616258 is an apocalyptic number.

72616258 is a deficient number, since it is larger than the sum of its proper divisors (56060558).

72616258 is a wasteful number, since it uses less digits than its factorization.

72616258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19570 (or 19557 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 72616258 is about 8521.5173531479. The cubic root of 72616258 is about 417.2003093871.

The spelling of 72616258 in words is "seventy-two million, six hundred sixteen thousand, two hundred fifty-eight".