65662572 has 24 divisors (see below), whose sum is σ = 156473856. Its totient is φ = 21421648.

The previous prime is 65662561. The next prime is 65662579. The reversal of 65662572 is 27526656.

It is a self number, because there is not a number n which added to its sum of digits gives 65662572.

It is not an unprimeable number, because it can be changed into a prime (65662579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57648 + ... + 58775.

It is an arithmetic number, because the mean of its divisors is an integer number (6519744).

Almost surely, 2^65662572 is an apocalyptic number.

It is an amenable number.

65662572 is an abundant number, since it is smaller than the sum of its proper divisors (90811284).

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

65662572 is a wasteful number, since it uses less digits than its factorization.

65662572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116477 (or 116475 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 65662572 is about 8103.2445353698. The cubic root of 65662572 is about 403.4341242693.

The spelling of 65662572 in words is "sixty-five million, six hundred sixty-two thousand, five hundred seventy-two".