68572189339904 has 36 divisors (see below), whose sum is σ = 140575883951244. Its totient is φ = 33359443458048.

The previous prime is 68572189339889. The next prime is 68572189339957. The reversal of 68572189339904 is 40993398127586.

It can be written as a sum of positive squares in 2 ways, for example, as 57820086018304 + 10752103321600 = 7603952^2 + 3279040^2 .

It is a Harshad number since it is a multiple of its sum of digits (74).

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, 3619721807 + ... + 3619740750.

It is a 1-persistent number, because it is pandigital, but 2⋅68572189339904 = 137144378679808 is not.

Almost surely, 2^{68572189339904} is an apocalyptic number.

68572189339904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

68572189339904 is an abundant number, since it is smaller than the sum of its proper divisors (72003694611340).

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

68572189339904 is an equidigital number, since it uses as much as digits as its factorization.

68572189339904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7239462610 (or 7239462596 counting only the distinct ones).

The product of its (nonzero) digits is 705438720, while the sum is 74.

The spelling of 68572189339904 in words is "sixty-eight trillion, five hundred seventy-two billion, one hundred eighty-nine million, three hundred thirty-nine thousand, nine hundred four".