726340056 has 64 divisors (see below), whose sum is σ = 2058470400. Its totient is φ = 211724928.

The previous prime is 726340033. The next prime is 726340073. The reversal of 726340056 is 650043627.

It is a junction number, because it is equal to n+sod(n) for n = 726339999 and 726340026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55336 + ... + 67191.

It is an arithmetic number, because the mean of its divisors is an integer number (32163600).

Almost surely, 2^726340056 is an apocalyptic number.

726340056 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

726340056 is an abundant number, since it is smaller than the sum of its proper divisors (1332130344).

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

726340056 is a wasteful number, since it uses less digits than its factorization.

726340056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122568 (or 122564 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 726340056 is about 26950.6967627926. The cubic root of 726340056 is about 898.9040387913.

The spelling of 726340056 in words is "seven hundred twenty-six million, three hundred forty thousand, fifty-six".