726642516 has 24 divisors (see below), whose sum is σ = 1707700960. Its totient is φ = 240471072.

The previous prime is 726642503. The next prime is 726642523. The reversal of 726642516 is 615246627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216151 + ... + 219486.

Almost surely, 2^726642516 is an apocalyptic number.

It is an amenable number.

726642516 is an abundant number, since it is smaller than the sum of its proper divisors (981058444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726642516 is a wasteful number, since it uses less digits than its factorization.

726642516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435783 (or 435781 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 726642516 is about 26956.3075364561. The cubic root of 726642516 is about 899.0287943073.

The spelling of 726642516 in words is "seven hundred twenty-six million, six hundred forty-two thousand, five hundred sixteen".