72446625 has 48 divisors (see below), whose sum is σ = 132582528. Its totient is φ = 38052000.

The previous prime is 72446581. The next prime is 72446641. The reversal of 72446625 is 52664427.

72446625 is a `hidden beast` number, since 7 + 24 + 4 + 6 + 625 = 666.

It is not a de Polignac number, because 72446625 - 2¹⁰ = 72445601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72446625.

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 47 ways as a sum of consecutive naturals, for example, 79422 + ... + 80328.

It is an arithmetic number, because the mean of its divisors is an integer number (2762136).

Almost surely, 2^72446625 is an apocalyptic number.

72446625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

72446625 is a deficient number, since it is larger than the sum of its proper divisors (60135903).

72446625 is a wasteful number, since it uses less digits than its factorization.

72446625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 986 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 72446625 is about 8511.5583179580. The cubic root of 72446625 is about 416.8751934002.

The spelling of 72446625 in words is "seventy-two million, four hundred forty-six thousand, six hundred twenty-five".