726005056 has 28 divisors (see below), whose sum is σ = 1646476768. Its totient is φ = 311144832.

The previous prime is 726005047. The next prime is 726005101. The reversal of 726005056 is 650500627.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-3 number, since 3×726005056³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809826 + ... + 810721.

Almost surely, 2^726005056 is an apocalyptic number.

It is an amenable number.

726005056 is an abundant number, since it is smaller than the sum of its proper divisors (920471712).

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

726005056 is a wasteful number, since it uses less digits than its factorization.

726005056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620566 (or 1620556 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 726005056 is about 26944.4809933315. The cubic root of 726005056 is about 898.7658210891.

The spelling of 726005056 in words is "seven hundred twenty-six million, five thousand, fifty-six".