65365972 has 48 divisors (see below), whose sum is σ = 135531648. Its totient is φ = 27002880.

The previous prime is 65365957. The next prime is 65365973. The reversal of 65365972 is 27956356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65365973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111063 + ... + 111649.

It is an arithmetic number, because the mean of its divisors is an integer number (2823576).

Almost surely, 2^65365972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65365972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67765824).

65365972 is an abundant number, since it is smaller than the sum of its proper divisors (70165676).

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

65365972 is a wasteful number, since it uses less digits than its factorization.

65365972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 734 counting only the distinct ones).

The product of its digits is 340200, while the sum is 43.

The square root of 65365972 is about 8084.9225104512. The cubic root of 65365972 is about 402.8257656142.

The spelling of 65365972 in words is "sixty-five million, three hundred sixty-five thousand, nine hundred seventy-two".