726242506 has 8 divisors (see below), whose sum is σ = 1188396864. Its totient is φ = 330110220.

The previous prime is 726242501. The next prime is 726242521. The reversal of 726242506 is 605242627.

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

It is not an unprimeable number, because it can be changed into a prime (726242501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16505490 + ... + 16505533.

It is an arithmetic number, because the mean of its divisors is an integer number (148549608).

Almost surely, 2^726242506 is an apocalyptic number.

726242506 is a deficient number, since it is larger than the sum of its proper divisors (462154358).

726242506 is a wasteful number, since it uses less digits than its factorization.

726242506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33011036.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 726242506 is about 26948.8869157893. The cubic root of 726242506 is about 898.8637950082.

The spelling of 726242506 in words is "seven hundred twenty-six million, two hundred forty-two thousand, five hundred six".