65372772 has 24 divisors (see below), whose sum is σ = 152802496. Its totient is φ = 21752928.

The previous prime is 65372743. The next prime is 65372773. The reversal of 65372772 is 27727356.

It is a self number, because there is not a number n which added to its sum of digits gives 65372772.

It is not an unprimeable number, because it can be changed into a prime (65372773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2913 + ... + 11799.

Almost surely, 2^65372772 is an apocalyptic number.

It is an amenable number.

65372772 is an abundant number, since it is smaller than the sum of its proper divisors (87429724).

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

65372772 is a wasteful number, since it uses less digits than its factorization.

65372772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9507 (or 9505 counting only the distinct ones).

The product of its digits is 123480, while the sum is 39.

The square root of 65372772 is about 8085.3430353944. The cubic root of 65372772 is about 402.8397337393.

The spelling of 65372772 in words is "sixty-five million, three hundred seventy-two thousand, seven hundred seventy-two".