726051042 has 24 divisors (see below), whose sum is σ = 1611480780. Its totient is φ = 236113920.

The previous prime is 726051019. The next prime is 726051059. The reversal of 726051042 is 240150627.

726051042 is a `hidden beast` number, since 7 + 2 + 605 + 10 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 724632561 + 1418481 = 26919^2 + 1191^2 .

It is a junction number, because it is equal to n+sod(n) for n = 726050997 and 726051015.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491167 + ... + 492642.

Almost surely, 2^726051042 is an apocalyptic number.

726051042 is an abundant number, since it is smaller than the sum of its proper divisors (885429738).

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

726051042 is a wasteful number, since it uses less digits than its factorization.

726051042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983858 (or 983855 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 726051042 is about 26945.3343271150. The cubic root of 726051042 is about 898.7847969773.

The spelling of 726051042 in words is "seven hundred twenty-six million, fifty-one thousand, forty-two".