72607506 has 16 divisors (see below), whose sum is σ = 145330848. Its totient is φ = 24183200.

The previous prime is 72607499. The next prime is 72607537. The reversal of 72607506 is 60570627.

It is a zygodrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4801 + ... + 12971.

It is an arithmetic number, because the mean of its divisors is an integer number (9083178).

Almost surely, 2^72607506 is an apocalyptic number.

72607506 is an abundant number, since it is smaller than the sum of its proper divisors (72723342).

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

72607506 is a wasteful number, since it uses less digits than its factorization.

72607506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9657.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 72607506 is about 8521.0038141055. The cubic root of 72607506 is about 417.1835478339.

The spelling of 72607506 in words is "seventy-two million, six hundred seven thousand, five hundred six".