726511164 has 48 divisors (see below), whose sum is σ = 1754833920. Its totient is φ = 233694720.

The previous prime is 726511157. The next prime is 726511193. The reversal of 726511164 is 461115627.

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 15 ways as a sum of consecutive naturals, for example, 138412 + ... + 143564.

It is an arithmetic number, because the mean of its divisors is an integer number (36559040).

Almost surely, 2^726511164 is an apocalyptic number.

It is an amenable number.

726511164 is an abundant number, since it is smaller than the sum of its proper divisors (1028322756).

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

726511164 is a wasteful number, since it uses less digits than its factorization.

726511164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570 (or 5568 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 726511164 is about 26953.8710392404. The cubic root of 726511164 is about 898.9746198709.

The spelling of 726511164 in words is "seven hundred twenty-six million, five hundred eleven thousand, one hundred sixty-four".