726902240 has 24 divisors (see below), whose sum is σ = 1717306920. Its totient is φ = 290760832.

The previous prime is 726902233. The next prime is 726902251. The reversal of 726902240 is 42209627.

726902240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 726902197 and 726902206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2271410 + ... + 2271729.

It is an arithmetic number, because the mean of its divisors is an integer number (71554455).

Almost surely, 2^726902240 is an apocalyptic number.

It is an amenable number.

726902240 is an abundant number, since it is smaller than the sum of its proper divisors (990404680).

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

726902240 is a wasteful number, since it uses less digits than its factorization.

726902240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4543154 (or 4543146 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 726902240 is about 26961.1246056243. The cubic root of 726902240 is about 899.1358949036.

The spelling of 726902240 in words is "seven hundred twenty-six million, nine hundred two thousand, two hundred forty".