726400884 has 48 divisors (see below), whose sum is σ = 1863622656. Its totient is φ = 218383200.

The previous prime is 726400847. The next prime is 726400891. The reversal of 726400884 is 488004627.

It is a nialpdrome in base 13.

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, 4902 + ... + 38429.

It is an arithmetic number, because the mean of its divisors is an integer number (38825472).

Almost surely, 2^726400884 is an apocalyptic number.

It is an amenable number.

726400884 is an abundant number, since it is smaller than the sum of its proper divisors (1137221772).

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

726400884 is a wasteful number, since it uses less digits than its factorization.

726400884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43476 (or 43474 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 726400884 is about 26951.8252443132. The cubic root of 726400884 is about 898.9291312660.

The spelling of 726400884 in words is "seven hundred twenty-six million, four hundred thousand, eight hundred eighty-four".