65712004 has 12 divisors (see below), whose sum is σ = 121760604. Its totient is φ = 30923264.

The previous prime is 65711951. The next prime is 65712047. The reversal of 65712004 is 40021756.

It can be written as a sum of positive squares in 2 ways, for example, as 61591104 + 4120900 = 7848^2 + 2030^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65712004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483109 + ... + 483244.

It is an arithmetic number, because the mean of its divisors is an integer number (10146717).

Almost surely, 2^65712004 is an apocalyptic number.

It is an amenable number.

65712004 is a deficient number, since it is larger than the sum of its proper divisors (56048600).

65712004 is a wasteful number, since it uses less digits than its factorization.

65712004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966374 (or 966372 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 65712004 is about 8106.2940977983. The cubic root of 65712004 is about 403.5353364350.

The spelling of 65712004 in words is "sixty-five million, seven hundred twelve thousand, four".