68671064574 has 64 divisors (see below), whose sum is σ = 178656468480. Its totient is φ = 19141755840.

The previous prime is 68671064537. The next prime is 68671064597. The reversal of 68671064574 is 47546017686.

68671064574 is a `hidden beast` number, since 6 + 8 + 6 + 7 + 1 + 0 + 64 + 574 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 68671064574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2199984 + ... + 2230979.

It is an arithmetic number, because the mean of its divisors is an integer number (2791507320).

Almost surely, 2^68671064574 is an apocalyptic number.

68671064574 is an abundant number, since it is smaller than the sum of its proper divisors (109985403906).

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

68671064574 is a wasteful number, since it uses less digits than its factorization.

68671064574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431022 (or 4431016 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 68671064574 in words is "sixty-eight billion, six hundred seventy-one million, sixty-four thousand, five hundred seventy-four".