726648430 has 32 divisors (see below), whose sum is σ = 1370649600. Its totient is φ = 276837792.

The previous prime is 726648413. The next prime is 726648451. The reversal of 726648430 is 34846627.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48361 + ... + 61579.

It is an arithmetic number, because the mean of its divisors is an integer number (42832800).

Almost surely, 2^726648430 is an apocalyptic number.

726648430 is a deficient number, since it is larger than the sum of its proper divisors (644001170).

726648430 is a wasteful number, since it uses less digits than its factorization.

726648430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13488.

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 726648430 is about 26956.4172322659. The cubic root of 726648430 is about 899.0312333066.

It can be divided in two parts, 7266 and 48430, that added together give a square (55696 = 236²).

The spelling of 726648430 in words is "seven hundred twenty-six million, six hundred forty-eight thousand, four hundred thirty".