65715370 has 96 divisors (see below), whose sum is σ = 152471808. Its totient is φ = 20283648.

The previous prime is 65715359. The next prime is 65715371. The reversal of 65715370 is 7351756.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65715371) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2857179 + ... + 2857201.

It is an arithmetic number, because the mean of its divisors is an integer number (1588248).

Almost surely, 2^65715370 is an apocalyptic number.

65715370 is an abundant number, since it is smaller than the sum of its proper divisors (86756438).

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

65715370 is an equidigital number, since it uses as much as digits as its factorization.

65715370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 65715370 is about 8106.5017115893. The cubic root of 65715370 is about 403.5422264838.

The spelling of 65715370 in words is "sixty-five million, seven hundred fifteen thousand, three hundred seventy".