65006004 has 48 divisors (see below), whose sum is σ = 180891648. Its totient is φ = 17765088.

The previous prime is 65005987. The next prime is 65006047. The reversal of 65006004 is 40060056.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14892 + ... + 18755.

It is an arithmetic number, because the mean of its divisors is an integer number (3768576).

Almost surely, 2^65006004 is an apocalyptic number.

It is an amenable number.

65006004 is an abundant number, since it is smaller than the sum of its proper divisors (115885644).

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

65006004 is a wasteful number, since it uses less digits than its factorization.

65006004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33684 (or 33682 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 65006004 is about 8062.6300919737. The cubic root of 65006004 is about 402.0849551893.

The spelling of 65006004 in words is "sixty-five million, six thousand, four".