726321247432 has 16 divisors (see below), whose sum is σ = 1485657097200. Its totient is φ = 330146021520.

The previous prime is 726321247427. The next prime is 726321247441. The reversal of 726321247432 is 234742123627.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4126825182 + ... + 4126825357.

It is an arithmetic number, because the mean of its divisors is an integer number (92853568575).

Almost surely, 2^726321247432 is an apocalyptic number.

It is an amenable number.

726321247432 is an abundant number, since it is smaller than the sum of its proper divisors (759335849768).

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

726321247432 is a wasteful number, since it uses less digits than its factorization.

726321247432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8253650556 (or 8253650552 counting only the distinct ones).

The product of its digits is 677376, while the sum is 43.

The spelling of 726321247432 in words is "seven hundred twenty-six billion, three hundred twenty-one million, two hundred forty-seven thousand, four hundred thirty-two".