68472070865 has 32 divisors (see below), whose sum is σ = 91232196480. Its totient is φ = 48913459200.

The previous prime is 68472070859. The next prime is 68472070867. The reversal of 68472070865 is 56807027486.

68472070865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-68472070865 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68472070867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2465537 + ... + 2493153.

It is an arithmetic number, because the mean of its divisors is an integer number (2851006140).

Almost surely, 2^68472070865 is an apocalyptic number.

It is an amenable number.

68472070865 is a deficient number, since it is larger than the sum of its proper divisors (22760125615).

68472070865 is a wasteful number, since it uses less digits than its factorization.

68472070865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28433.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 68472070865 in words is "sixty-eight billion, four hundred seventy-two million, seventy thousand, eight hundred sixty-five".