65724652 has 24 divisors (see below), whose sum is σ = 139182624. Its totient is φ = 26510592.

The previous prime is 65724649. The next prime is 65724661. The reversal of 65724652 is 25642756.

It is a super-2 number, since 2×65724652² = 8639459761042208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68563 + ... + 69514.

It is an arithmetic number, because the mean of its divisors is an integer number (5799276).

Almost surely, 2^65724652 is an apocalyptic number.

It is an amenable number.

65724652 is an abundant number, since it is smaller than the sum of its proper divisors (73457972).

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

65724652 is a wasteful number, since it uses less digits than its factorization.

65724652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138105 (or 138103 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 65724652 is about 8107.0741948005. The cubic root of 65724652 is about 403.5612250966.

The spelling of 65724652 in words is "sixty-five million, seven hundred twenty-four thousand, six hundred fifty-two".