72625268 has 12 divisors (see below), whose sum is σ = 130194372. Its totient is φ = 35426880.

The previous prime is 72625243. The next prime is 72625279. The reversal of 72625268 is 86252627.

It can be written as a sum of positive squares in 2 ways, for example, as 3602404 + 69022864 = 1898^2 + 8308^2 .

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 3 ways as a sum of consecutive naturals, for example, 221255 + ... + 221582.

It is an arithmetic number, because the mean of its divisors is an integer number (10849531).

Almost surely, 2^72625268 is an apocalyptic number.

It is an amenable number.

72625268 is a deficient number, since it is larger than the sum of its proper divisors (57569104).

72625268 is a wasteful number, since it uses less digits than its factorization.

72625268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442882 (or 442880 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 72625268 is about 8522.0459984677. The cubic root of 72625268 is about 417.2175636468.

The spelling of 72625268 in words is "seventy-two million, six hundred twenty-five thousand, two hundred sixty-eight".