65351972 has 12 divisors (see below), whose sum is σ = 130704000. Its totient is φ = 28007976.

The previous prime is 65351971. The next prime is 65351981. The reversal of 65351972 is 27915356.

It is a happy number.

65351972 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (65351971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166972 + ... + 1167027.

It is an arithmetic number, because the mean of its divisors is an integer number (10892000).

Almost surely, 2^65351972 is an apocalyptic number.

It is an amenable number.

65351972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

65351972 is a wasteful number, since it uses less digits than its factorization.

65351972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334010 (or 2334008 counting only the distinct ones).

The product of its digits is 56700, while the sum is 38.

The square root of 65351972 is about 8084.0566549227. The cubic root of 65351972 is about 402.7970046590.

It can be divided in two parts, 653 and 51972, that added together give a palindrome (52625).

The spelling of 65351972 in words is "sixty-five million, three hundred fifty-one thousand, nine hundred seventy-two".