724374489 has 32 divisors (see below), whose sum is σ = 1046642688. Its totient is φ = 444312000.

The previous prime is 724374473. The next prime is 724374491. The reversal of 724374489 is 984473427.

It is not a de Polignac number, because 724374489 - 2⁴ = 724374473 is a prime.

It is a super-2 number, since 2×724374489² = 1049436800628022242, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (724374439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386224 + ... + 388094.

It is an arithmetic number, because the mean of its divisors is an integer number (32707584).

Almost surely, 2^724374489 is an apocalyptic number.

It is an amenable number.

724374489 is a deficient number, since it is larger than the sum of its proper divisors (322268199).

724374489 is a wasteful number, since it uses less digits than its factorization.

724374489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109.

The product of its digits is 1354752, while the sum is 48.

The square root of 724374489 is about 26914.2060815473. The cubic root of 724374489 is about 898.0924573662.

The spelling of 724374489 in words is "seven hundred twenty-four million, three hundred seventy-four thousand, four hundred eighty-nine".