726042842 has 16 divisors (see below), whose sum is σ = 1275003072. Its totient is φ = 303571680.

The previous prime is 726042833. The next prime is 726042853. The reversal of 726042842 is 248240627.

It is a happy 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, 631868 + ... + 633015.

It is an arithmetic number, because the mean of its divisors is an integer number (79687692).

Almost surely, 2^726042842 is an apocalyptic number.

726042842 is a deficient number, since it is larger than the sum of its proper divisors (548960230).

726042842 is a wasteful number, since it uses less digits than its factorization.

726042842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264933.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 726042842 is about 26945.1821667622. The cubic root of 726042842 is about 898.7814133479.

The spelling of 726042842 in words is "seven hundred twenty-six million, forty-two thousand, eight hundred forty-two".