726631413 has 8 divisors (see below), whose sum is σ = 1000094976. Its totient is φ = 468794400.

The previous prime is 726631403. The next prime is 726631441. The reversal of 726631413 is 314136627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 726631413 - 2⁶ = 726631349 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726631403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3906528 + ... + 3906713.

It is an arithmetic number, because the mean of its divisors is an integer number (125011872).

Almost surely, 2^726631413 is an apocalyptic number.

It is an amenable number.

726631413 is a deficient number, since it is larger than the sum of its proper divisors (273463563).

726631413 is a wasteful number, since it uses less digits than its factorization.

726631413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7813275.

The product of its digits is 18144, while the sum is 33.

The square root of 726631413 is about 26956.1015912910. The cubic root of 726631413 is about 899.0242152709.

The spelling of 726631413 in words is "seven hundred twenty-six million, six hundred thirty-one thousand, four hundred thirteen".