72650612 has 24 divisors (see below), whose sum is σ = 129696000. Its totient is φ = 35601696.

The previous prime is 72650609. The next prime is 72650621. The reversal of 72650612 is 21605627.

It is a super-2 number, since 2×72650612² = 10556222847949088, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 46313 + ... + 47855.

It is an arithmetic number, because the mean of its divisors is an integer number (5404000).

Almost surely, 2^72650612 is an apocalyptic number.

It is an amenable number.

72650612 is a deficient number, since it is larger than the sum of its proper divisors (57045388).

72650612 is a wasteful number, since it uses less digits than its factorization.

72650612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775 (or 1773 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 72650612 is about 8523.5328356263. The cubic root of 72650612 is about 417.2660900641.

The spelling of 72650612 in words is "seventy-two million, six hundred fifty thousand, six hundred twelve".