726694266 has 16 divisors (see below), whose sum is σ = 1457289504. Its totient is φ = 241581264.

The previous prime is 726694249. The next prime is 726694279. The reversal of 726694266 is 662496627.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160116 + ... + 164591.

It is an arithmetic number, because the mean of its divisors is an integer number (91080594).

Almost surely, 2^726694266 is an apocalyptic number.

726694266 is an abundant number, since it is smaller than the sum of its proper divisors (730595238).

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

726694266 is a wasteful number, since it uses less digits than its factorization.

726694266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325085.

The product of its digits is 1306368, while the sum is 48.

The square root of 726694266 is about 26957.2674060262. The cubic root of 726694266 is about 899.0501361339.

The spelling of 726694266 in words is "seven hundred twenty-six million, six hundred ninety-four thousand, two hundred sixty-six".