61713573626 has 16 divisors (see below), whose sum is σ = 94654103040. Its totient is φ = 30163791600.

The previous prime is 61713573529. The next prime is 61713573661. The reversal of 61713573626 is 62637531716.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318050 + ... + 473901.

It is an arithmetic number, because the mean of its divisors is an integer number (5915881440).

Almost surely, 2^61713573626 is an apocalyptic number.

61713573626 is a deficient number, since it is larger than the sum of its proper divisors (32940529414).

61713573626 is a wasteful number, since it uses less digits than its factorization.

61713573626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792829.

The product of its digits is 952560, while the sum is 47.

The spelling of 61713573626 in words is "sixty-one billion, seven hundred thirteen million, five hundred seventy-three thousand, six hundred twenty-six".