726383730 has 32 divisors (see below), whose sum is σ = 1771904448. Its totient is φ = 190526400.

The previous prime is 726383687. The next prime is 726383743. The reversal of 726383730 is 37383627.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196636 + ... + 200295.

It is an arithmetic number, because the mean of its divisors is an integer number (55372014).

Almost surely, 2^726383730 is an apocalyptic number.

726383730 is an abundant number, since it is smaller than the sum of its proper divisors (1045520718).

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

726383730 is a wasteful number, since it uses less digits than its factorization.

726383730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397002.

The product of its (nonzero) digits is 127008, while the sum is 39.

The square root of 726383730 is about 26951.5070079578. The cubic root of 726383730 is about 898.9220551221.

The spelling of 726383730 in words is "seven hundred twenty-six million, three hundred eighty-three thousand, seven hundred thirty".