72476530 has 16 divisors (see below), whose sum is σ = 149094720. Its totient is φ = 24849072.

The previous prime is 72476471. The next prime is 72476567. The reversal of 72476530 is 3567427.

It is a happy 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, 517620 + ... + 517759.

It is an arithmetic number, because the mean of its divisors is an integer number (9318420).

Almost surely, 2^72476530 is an apocalyptic number.

72476530 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72476530 is an abundant number, since it is smaller than the sum of its proper divisors (76618190).

72476530 is a wasteful number, since it uses less digits than its factorization.

72476530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035393.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 72476530 is about 8513.3148655503. The cubic root of 72476530 is about 416.9325456817.

The spelling of 72476530 in words is "seventy-two million, four hundred seventy-six thousand, five hundred thirty".