724879037491 has 64 divisors (see below), whose sum is σ = 911864448000. Its totient is φ = 562195468800.

The previous prime is 724879037489. The next prime is 724879037503. The reversal of 724879037491 is 194730978427.

It is not a de Polignac number, because 724879037491 - 2¹ = 724879037489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (724879037191) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 381313641 + ... + 381315541.

It is an arithmetic number, because the mean of its divisors is an integer number (14247882000).

Almost surely, 2^724879037491 is an apocalyptic number.

724879037491 is a deficient number, since it is larger than the sum of its proper divisors (186985410509).

724879037491 is a wasteful number, since it uses less digits than its factorization.

724879037491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972.

The product of its (nonzero) digits is 21337344, while the sum is 61.

The spelling of 724879037491 in words is "seven hundred twenty-four billion, eight hundred seventy-nine million, thirty-seven thousand, four hundred ninety-one".