726255504 has 160 divisors (see below), whose sum is σ = 2377347840. Its totient is φ = 210290688.

The previous prime is 726255479. The next prime is 726255533. The reversal of 726255504 is 405552627.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91669 + ... + 99275.

It is an arithmetic number, because the mean of its divisors is an integer number (14858424).

Almost surely, 2^726255504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726255504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1188673920).

726255504 is an abundant number, since it is smaller than the sum of its proper divisors (1651092336).

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

726255504 is a wasteful number, since it uses less digits than its factorization.

726255504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7654 (or 7642 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 726255504 is about 26949.1280749489. The cubic root of 726255504 is about 898.8691574787.

The spelling of 726255504 in words is "seven hundred twenty-six million, two hundred fifty-five thousand, five hundred four".