72651896 has 16 divisors (see below), whose sum is σ = 143392200. Its totient is φ = 34413984.

The previous prime is 72651893. The next prime is 72651911. The reversal of 72651896 is 69815627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72651893) by changing a digit.

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, 238835 + ... + 239138.

Almost surely, 2^72651896 is an apocalyptic number.

72651896 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

72651896 is a deficient number, since it is larger than the sum of its proper divisors (70740304).

72651896 is a wasteful number, since it uses less digits than its factorization.

72651896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477998 (or 477994 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 72651896 is about 8523.6081561742. The cubic root of 72651896 is about 417.2685482517.

The spelling of 72651896 in words is "seventy-two million, six hundred fifty-one thousand, eight hundred ninety-six".