72564230 has 16 divisors (see below), whose sum is σ = 137490480. Its totient is φ = 27497952.

The previous prime is 72564209. The next prime is 72564251. The reversal of 72564230 is 3246527.

It is an interprime number because it is at equal distance from previous prime (72564209) and next prime (72564251).

It is a junction number, because it is equal to n+sod(n) for n = 72564193 and 72564202.

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, 190769 + ... + 191148.

It is an arithmetic number, because the mean of its divisors is an integer number (8593155).

Almost surely, 2^72564230 is an apocalyptic number.

72564230 is a deficient number, since it is larger than the sum of its proper divisors (64926250).

72564230 is a wasteful number, since it uses less digits than its factorization.

72564230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381943.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 72564230 is about 8518.4640634330. The cubic root of 72564230 is about 417.1006472070.

The spelling of 72564230 in words is "seventy-two million, five hundred sixty-four thousand, two hundred thirty".