72464337 has 24 divisors (see below), whose sum is σ = 114873408. Its totient is φ = 43653600.

The previous prime is 72464323. The next prime is 72464339. The reversal of 72464337 is 73346427.

It is a happy number.

72464337 is a `hidden beast` number, since 7 + 2 + 4 + 643 + 3 + 7 = 666.

It is not a de Polignac number, because 72464337 - 2⁴ = 72464321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72464339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15012 + ... + 19242.

It is an arithmetic number, because the mean of its divisors is an integer number (4786392).

Almost surely, 2^72464337 is an apocalyptic number.

It is an amenable number.

72464337 is a deficient number, since it is larger than the sum of its proper divisors (42409071).

72464337 is a wasteful number, since it uses less digits than its factorization.

72464337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421 (or 4418 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 72464337 is about 8512.5987218945. The cubic root of 72464337 is about 416.9091636589.

The spelling of 72464337 in words is "seventy-two million, four hundred sixty-four thousand, three hundred thirty-seven".