72264344 has 16 divisors (see below), whose sum is σ = 141387120. Its totient is φ = 34561120.

The previous prime is 72264323. The next prime is 72264371. The reversal of 72264344 is 44346227.

It is a self number, because there is not a number n which added to its sum of digits gives 72264344.

It is a congruent number.

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, 196187 + ... + 196554.

It is an arithmetic number, because the mean of its divisors is an integer number (8836695).

Almost surely, 2^72264344 is an apocalyptic number.

It is an amenable number.

72264344 is a deficient number, since it is larger than the sum of its proper divisors (69122776).

72264344 is a wasteful number, since it uses less digits than its factorization.

72264344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392770 (or 392766 counting only the distinct ones).

The product of its digits is 32256, while the sum is 32.

The square root of 72264344 is about 8500.8437228313. The cubic root of 72264344 is about 416.5252702802.

The spelling of 72264344 in words is "seventy-two million, two hundred sixty-four thousand, three hundred forty-four".