65456634 has 16 divisors (see below), whose sum is σ = 137803680. Its totient is φ = 20670480.

The previous prime is 65456627. The next prime is 65456687. The reversal of 65456634 is 43665456.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65456592 and 65456601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286977 + ... + 287204.

It is an arithmetic number, because the mean of its divisors is an integer number (8612730).

Almost surely, 2^65456634 is an apocalyptic number.

65456634 is an abundant number, since it is smaller than the sum of its proper divisors (72347046).

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

65456634 is a wasteful number, since it uses less digits than its factorization.

65456634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574205.

The product of its digits is 259200, while the sum is 39.

The square root of 65456634 is about 8090.5274240929. The cubic root of 65456634 is about 403.0119181168.

The spelling of 65456634 in words is "sixty-five million, four hundred fifty-six thousand, six hundred thirty-four".