65320004 has 24 divisors (see below), whose sum is σ = 116433408. Its totient is φ = 32058720.

The previous prime is 65319997. The next prime is 65320027. The reversal of 65320004 is 40002356.

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, 59549 + ... + 60635.

It is an arithmetic number, because the mean of its divisors is an integer number (4851392).

Almost surely, 2^65320004 is an apocalyptic number.

It is an amenable number.

65320004 is a deficient number, since it is larger than the sum of its proper divisors (51113404).

65320004 is a wasteful number, since it uses less digits than its factorization.

65320004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 65320004 is about 8082.0791879318. The cubic root of 65320004 is about 402.7313156704.

The spelling of 65320004 in words is "sixty-five million, three hundred twenty thousand, four".