72569622 has 16 divisors (see below), whose sum is σ = 145720512. Its totient is φ = 24093000.

The previous prime is 72569603. The next prime is 72569641. The reversal of 72569622 is 22696527.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72569603) and next prime (72569641).

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, 22588 + ... + 25599.

It is an arithmetic number, because the mean of its divisors is an integer number (9107532).

Almost surely, 2^72569622 is an apocalyptic number.

72569622 is an abundant number, since it is smaller than the sum of its proper divisors (73150890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72569622 is a wasteful number, since it uses less digits than its factorization.

72569622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48443.

The product of its digits is 90720, while the sum is 39.

The square root of 72569622 is about 8518.7805465336. The cubic root of 72569622 is about 417.1109780591.

The spelling of 72569622 in words is "seventy-two million, five hundred sixty-nine thousand, six hundred twenty-two".