724275474117728 has 96 divisors (see below), whose sum is σ = 1625993341670880. Its totient is φ = 314605703946240.

The previous prime is 724275474117721. The next prime is 724275474117731. The reversal of 724275474117728 is 827711474572427.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724275474117721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189697358 + ... + 193477746.

It is an arithmetic number, because the mean of its divisors is an integer number (16937430642405).

Almost surely, 2^{724275474117728} is an apocalyptic number.

It is an amenable number.

724275474117728 is an abundant number, since it is smaller than the sum of its proper divisors (901717867553152).

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

724275474117728 is a wasteful number, since it uses less digits than its factorization.

724275474117728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807520 (or 3807512 counting only the distinct ones).

The product of its digits is 344207360, while the sum is 68.

The spelling of 724275474117728 in words is "seven hundred twenty-four trillion, two hundred seventy-five billion, four hundred seventy-four million, one hundred seventeen thousand, seven hundred twenty-eight".