65379904 has 14 divisors (see below), whose sum is σ = 129738374. Its totient is φ = 32689920.

The previous prime is 65379887. The next prime is 65379907. The reversal of 65379904 is 40997356.

65379904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 47334400 + 18045504 = 6880^2 + 4248^2 .

It is not an unprimeable number, because it can be changed into a prime (65379907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510717 + ... + 510844.

Almost surely, 2^65379904 is an apocalyptic number.

65379904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

65379904 is a deficient number, since it is larger than the sum of its proper divisors (64358470).

65379904 is a wasteful number, since it uses less digits than its factorization.

65379904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021573 (or 1021563 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 65379904 is about 8085.7840683511. The cubic root of 65379904 is about 402.8543827969.

The spelling of 65379904 in words is "sixty-five million, three hundred seventy-nine thousand, nine hundred four".