726018672 has 40 divisors (see below), whose sum is σ = 1892160144. Its totient is φ = 239862784.

The previous prime is 726018661. The next prime is 726018673. The reversal of 726018672 is 276810627.

It is a super-2 number, since 2×726018672² = 1054206224185287168, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 726018672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726018673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61503 + ... + 72350.

Almost surely, 2^726018672 is an apocalyptic number.

It is an amenable number.

726018672 is an abundant number, since it is smaller than the sum of its proper divisors (1166141472).

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

726018672 is a wasteful number, since it uses less digits than its factorization.

726018672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133977 (or 133971 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 726018672 is about 26944.7336598453. The cubic root of 726018672 is about 898.7714397455.

The spelling of 726018672 in words is "seven hundred twenty-six million, eighteen thousand, six hundred seventy-two".