726442974 has 24 divisors (see below), whose sum is σ = 1574843400. Its totient is φ = 242011728.

The previous prime is 726442939. The next prime is 726443021. The reversal of 726442974 is 479244627.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24729 + ... + 45435.

It is an arithmetic number, because the mean of its divisors is an integer number (65618475).

Almost surely, 2^726442974 is an apocalyptic number.

726442974 is an abundant number, since it is smaller than the sum of its proper divisors (848400426).

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

726442974 is a wasteful number, since it uses less digits than its factorization.

726442974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22664 (or 22661 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 726442974 is about 26952.6060706567. The cubic root of 726442974 is about 898.9464932109.

The spelling of 726442974 in words is "seven hundred twenty-six million, four hundred forty-two thousand, nine hundred seventy-four".