726321474 has 24 divisors (see below), whose sum is σ = 1656523440. Its totient is φ = 229364568.

The previous prime is 726321451. The next prime is 726321499. The reversal of 726321474 is 474123627.

726321474 is a `hidden beast` number, since 7 + 2 + 632 + 14 + 7 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1061532 + ... + 1062215.

It is an arithmetic number, because the mean of its divisors is an integer number (69021810).

Almost surely, 2^726321474 is an apocalyptic number.

726321474 is an abundant number, since it is smaller than the sum of its proper divisors (930201966).

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

726321474 is a wasteful number, since it uses less digits than its factorization.

726321474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123774 (or 2123771 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 726321474 is about 26950.3520199644. The cubic root of 726321474 is about 898.8963731544.

The spelling of 726321474 in words is "seven hundred twenty-six million, three hundred twenty-one thousand, four hundred seventy-four".