72286580 has 24 divisors (see below), whose sum is σ = 153726720. Its totient is φ = 28548000.

The previous prime is 72286579. The next prime is 72286603. The reversal of 72286580 is 8568227.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21296 + ... + 24455.

It is an arithmetic number, because the mean of its divisors is an integer number (6405280).

Almost surely, 2^72286580 is an apocalyptic number.

It is an amenable number.

72286580 is an abundant number, since it is smaller than the sum of its proper divisors (81440140).

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

72286580 is a wasteful number, since it uses less digits than its factorization.

72286580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45839 (or 45837 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 72286580 is about 8502.1514924165. The cubic root of 72286580 is about 416.5679880097.

The spelling of 72286580 in words is "seventy-two million, two hundred eighty-six thousand, five hundred eighty".