72623464 has 16 divisors (see below), whose sum is σ = 139490820. Its totient is φ = 35425920.

The previous prime is 72623449. The next prime is 72623471. The reversal of 72623464 is 46432627.

It can be written as a sum of positive squares in 2 ways, for example, as 63075364 + 9548100 = 7942^2 + 3090^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110379 + ... + 111034.

Almost surely, 2^72623464 is an apocalyptic number.

It is an amenable number.

72623464 is a deficient number, since it is larger than the sum of its proper divisors (66867356).

72623464 is a wasteful number, since it uses less digits than its factorization.

72623464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221460 (or 221456 counting only the distinct ones).

The product of its digits is 48384, while the sum is 34.

The square root of 72623464 is about 8521.9401546831. The cubic root of 72623464 is about 417.2141090791.

The spelling of 72623464 in words is "seventy-two million, six hundred twenty-three thousand, four hundred sixty-four".