61724305364104 has 32 divisors (see below), whose sum is σ = 117318520206720. Its totient is φ = 30440579806656.

The previous prime is 61724305364089. The next prime is 61724305364147. The reversal of 61724305364104 is 40146350342716.

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, 75415392 + ... + 76229455.

It is an arithmetic number, because the mean of its divisors is an integer number (3666203756460).

Almost surely, 2^{61724305364104} is an apocalyptic number.

It is an amenable number.

61724305364104 is a deficient number, since it is larger than the sum of its proper divisors (55594214842616).

61724305364104 is a wasteful number, since it uses less digits than its factorization.

61724305364104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151645549 (or 151645545 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 61724305364104 in words is "sixty-one trillion, seven hundred twenty-four billion, three hundred five million, three hundred sixty-four thousand, one hundred four".