72264590 has 16 divisors (see below), whose sum is σ = 131293872. Its totient is φ = 28635264.

The previous prime is 72264559. The next prime is 72264601. The reversal of 72264590 is 9546227.

It is a self number, because there is not a number n which added to its sum of digits gives 72264590.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32699 + ... + 34838.

It is an arithmetic number, because the mean of its divisors is an integer number (8205867).

Almost surely, 2^72264590 is an apocalyptic number.

72264590 is a deficient number, since it is larger than the sum of its proper divisors (59029282).

72264590 is a wasteful number, since it uses less digits than its factorization.

72264590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67651.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 72264590 is about 8500.8581919710. The cubic root of 72264590 is about 416.5257429203.

The spelling of 72264590 in words is "seventy-two million, two hundred sixty-four thousand, five hundred ninety".