72510652 has 12 divisors (see below), whose sum is σ = 126960736. Its totient is φ = 36236160.

The previous prime is 72510611. The next prime is 72510671. The reversal of 72510652 is 25601527.

It is a self number, because there is not a number n which added to its sum of digits gives 72510652.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6877 + ... + 13867.

Almost surely, 2^72510652 is an apocalyptic number.

It is an amenable number.

72510652 is a deficient number, since it is larger than the sum of its proper divisors (54450084).

72510652 is a wasteful number, since it uses less digits than its factorization.

72510652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9588 (or 9586 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 72510652 is about 8515.3186669672. The cubic root of 72510652 is about 416.9979661256.

The spelling of 72510652 in words is "seventy-two million, five hundred ten thousand, six hundred fifty-two".