68994725572 has 12 divisors (see below), whose sum is σ = 124904244780. Its totient is φ = 33307798496.

The previous prime is 68994725551. The next prime is 68994725621. The reversal of 68994725572 is 27552749986.

It can be written as a sum of positive squares in 2 ways, for example, as 33264652996 + 35730072576 = 182386^2 + 189024^2 .

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, 297390943 + ... + 297391174.

It is an arithmetic number, because the mean of its divisors is an integer number (10408687065).

Almost surely, 2^68994725572 is an apocalyptic number.

It is an amenable number.

68994725572 is a deficient number, since it is larger than the sum of its proper divisors (55909519208).

68994725572 is a wasteful number, since it uses less digits than its factorization.

68994725572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594782150 (or 594782148 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 64.

The spelling of 68994725572 in words is "sixty-eight billion, nine hundred ninety-four million, seven hundred twenty-five thousand, five hundred seventy-two".