726746247 has 24 divisors (see below), whose sum is σ = 1077598080. Its totient is φ = 471797520.

The previous prime is 726746233. The next prime is 726746261. The reversal of 726746247 is 742647627.

It is an interprime number because it is at equal distance from previous prime (726746233) and next prime (726746261).

It is not a de Polignac number, because 726746247 - 2⁴ = 726746231 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726746227) 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 23 ways as a sum of consecutive naturals, for example, 50422 + ... + 63212.

It is an arithmetic number, because the mean of its divisors is an integer number (44899920).

Almost surely, 2^726746247 is an apocalyptic number.

726746247 is a deficient number, since it is larger than the sum of its proper divisors (350851833).

726746247 is a wasteful number, since it uses less digits than its factorization.

726746247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12963 (or 12960 counting only the distinct ones).

The product of its digits is 790272, while the sum is 45.

The square root of 726746247 is about 26958.2315258253. The cubic root of 726746247 is about 899.0715722054.

The spelling of 726746247 in words is "seven hundred twenty-six million, seven hundred forty-six thousand, two hundred forty-seven".