726827668 has 48 divisors (see below), whose sum is σ = 1470720384. Its totient is φ = 307866240.

The previous prime is 726827663. The next prime is 726827687. The reversal of 726827668 is 866728627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726827663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1099258 + ... + 1099918.

It is an arithmetic number, because the mean of its divisors is an integer number (30640008).

Almost surely, 2^726827668 is an apocalyptic number.

It is an amenable number.

726827668 is an abundant number, since it is smaller than the sum of its proper divisors (743892716).

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

726827668 is a wasteful number, since it uses less digits than its factorization.

726827668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1070 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The square root of 726827668 is about 26959.7416159725. The cubic root of 726827668 is about 899.1051467730.

The spelling of 726827668 in words is "seven hundred twenty-six million, eight hundred twenty-seven thousand, six hundred sixty-eight".