726651051 has 8 divisors (see below), whose sum is σ = 1107277824. Its totient is φ = 415229160.

The previous prime is 726651047. The next prime is 726651071. The reversal of 726651051 is 150156627.

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

It is not a de Polignac number, because 726651051 - 2² = 726651047 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 not an unprimeable number, because it can be changed into a prime (726651001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17301195 + ... + 17301236.

It is an arithmetic number, because the mean of its divisors is an integer number (138409728).

Almost surely, 2^726651051 is an apocalyptic number.

726651051 is a deficient number, since it is larger than the sum of its proper divisors (380626773).

726651051 is a wasteful number, since it uses less digits than its factorization.

726651051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34602441.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 726651051 is about 26956.4658477331. The cubic root of 726651051 is about 899.0323142320.

The spelling of 726651051 in words is "seven hundred twenty-six million, six hundred fifty-one thousand, fifty-one".