72608478 has 16 divisors (see below), whose sum is σ = 145328256. Its totient is φ = 24184280.

The previous prime is 72608449. The next prime is 72608507. The reversal of 72608478 is 87480627.

It is an interprime number because it is at equal distance from previous prime (72608449) and next prime (72608507).

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, 5575 + ... + 13277.

It is an arithmetic number, because the mean of its divisors is an integer number (9083016).

Almost surely, 2^72608478 is an apocalyptic number.

72608478 is an abundant number, since it is smaller than the sum of its proper divisors (72719778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72608478 is a wasteful number, since it uses less digits than its factorization.

72608478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9279.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 72608478 is about 8521.0608494483. The cubic root of 72608478 is about 417.1854094440.

The spelling of 72608478 in words is "seventy-two million, six hundred eight thousand, four hundred seventy-eight".