726703488 has 640 divisors, whose sum is σ = 2843596800. Its totient is φ = 179159040.

The previous prime is 726703477. The next prime is 726703493. The reversal of 726703488 is 884307627.

It is a happy number.

It is a super-2 number, since 2×726703488² = 1056195918942732288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 23442033 + ... + 23442063.

It is an arithmetic number, because the mean of its divisors is an integer number (4443120).

Almost surely, 2^726703488 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 726703488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1421798400).

726703488 is an abundant number, since it is smaller than the sum of its proper divisors (2116893312).

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

726703488 is a wasteful number, since it uses less digits than its factorization.

726703488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 726703488 is about 26957.4384539778. The cubic root of 726703488 is about 899.0539392029.

The spelling of 726703488 in words is "seven hundred twenty-six million, seven hundred three thousand, four hundred eighty-eight".