726454566 has 48 divisors (see below), whose sum is σ = 1590732000. Its totient is φ = 239589504.

The previous prime is 726454549. The next prime is 726454577. The reversal of 726454566 is 665454627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1177090 + ... + 1177706.

It is an arithmetic number, because the mean of its divisors is an integer number (33140250).

Almost surely, 2^726454566 is an apocalyptic number.

726454566 is an abundant number, since it is smaller than the sum of its proper divisors (864277434).

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

726454566 is a wasteful number, since it uses less digits than its factorization.

726454566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213 (or 1210 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 726454566 is about 26952.8211139391. The cubic root of 726454566 is about 898.9512747435.

The spelling of 726454566 in words is "seven hundred twenty-six million, four hundred fifty-four thousand, five hundred sixty-six".