726466560 has 136 divisors (see below), whose sum is σ = 2327820960. Its totient is φ = 193462272.

The previous prime is 726466537. The next prime is 726466567. The reversal of 726466560 is 65664627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726466567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982671 + ... + 983409.

Almost surely, 2^726466560 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 726466560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1163910480).

726466560 is an abundant number, since it is smaller than the sum of its proper divisors (1601354400).

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

726466560 is an frugal number, since it uses more digits than its factorization.

726466560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 726466560 is about 26953.0436129206. The cubic root of 726466560 is about 898.9562220418.

The spelling of 726466560 in words is "seven hundred twenty-six million, four hundred sixty-six thousand, five hundred sixty".