65572494 has 32 divisors (see below), whose sum is σ = 147377664. Its totient is φ = 19298400.

The previous prime is 65572457. The next prime is 65572511. The reversal of 65572494 is 49427556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16482 + ... + 20069.

It is an arithmetic number, because the mean of its divisors is an integer number (4605552).

Almost surely, 2^65572494 is an apocalyptic number.

65572494 is an abundant number, since it is smaller than the sum of its proper divisors (81805170).

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

65572494 is a wasteful number, since it uses less digits than its factorization.

65572494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36592.

The product of its digits is 302400, while the sum is 42.

The square root of 65572494 is about 8097.6844838509. The cubic root of 65572494 is about 403.2495586011.

It can be divided in two parts, 65572 and 494, that added together give a palindrome (66066).

The spelling of 65572494 in words is "sixty-five million, five hundred seventy-two thousand, four hundred ninety-four".