72464344 has 16 divisors (see below), whose sum is σ = 135969120. Its totient is φ = 36205920.

The previous prime is 72464341. The next prime is 72464351. The reversal of 72464344 is 44346427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72464341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13489 + ... + 18079.

It is an arithmetic number, because the mean of its divisors is an integer number (8498070).

Almost surely, 2^72464344 is an apocalyptic number.

It is an amenable number.

72464344 is a deficient number, since it is larger than the sum of its proper divisors (63504776).

72464344 is a wasteful number, since it uses less digits than its factorization.

72464344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570 (or 6566 counting only the distinct ones).

The product of its digits is 64512, while the sum is 34.

The square root of 72464344 is about 8512.5991330498. The cubic root of 72464344 is about 416.9091770833.

The spelling of 72464344 in words is "seventy-two million, four hundred sixty-four thousand, three hundred forty-four".