65920704 has 28 divisors (see below), whose sum is σ = 174415704. Its totient is φ = 21973504.

The previous prime is 65920703. The next prime is 65920727. The reversal of 65920704 is 40702956.

It is not an unprimeable number, because it can be changed into a prime (65920703) 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, 171477 + ... + 171860.

Almost surely, 2^65920704 is an apocalyptic number.

65920704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

65920704 is an abundant number, since it is smaller than the sum of its proper divisors (108495000).

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

65920704 is a wasteful number, since it uses less digits than its factorization.

65920704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343352 (or 343342 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 65920704 is about 8119.1566064463. The cubic root of 65920704 is about 403.9620916625.

The spelling of 65920704 in words is "sixty-five million, nine hundred twenty thousand, seven hundred four".