65120764 has 12 divisors (see below), whose sum is σ = 114018688. Its totient is φ = 32544000.

The previous prime is 65120753. The next prime is 65120767. The reversal of 65120764 is 46702156.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65120767) 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, 11164 + ... + 15964.

Almost surely, 2^65120764 is an apocalyptic number.

It is an amenable number.

65120764 is a deficient number, since it is larger than the sum of its proper divisors (48897924).

65120764 is a wasteful number, since it uses less digits than its factorization.

65120764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8196 (or 8194 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 65120764 is about 8069.7437381865. The cubic root of 65120764 is about 402.3214263859.

The spelling of 65120764 in words is "sixty-five million, one hundred twenty thousand, seven hundred sixty-four".