726057342 has 12 divisors (see below), whose sum is σ = 1573124280. Its totient is φ = 242019108.

The previous prime is 726057331. The next prime is 726057347. The reversal of 726057342 is 243750627.

It is a happy number.

726057342 is a `hidden beast` number, since 7 + 2 + 605 + 7 + 3 + 42 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 726057297 and 726057306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726057347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20168242 + ... + 20168277.

It is an arithmetic number, because the mean of its divisors is an integer number (131093690).

Almost surely, 2^726057342 is an apocalyptic number.

726057342 is an abundant number, since it is smaller than the sum of its proper divisors (847066938).

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

726057342 is a wasteful number, since it uses less digits than its factorization.

726057342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40336527 (or 40336524 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 726057342 is about 26945.4512302169. The cubic root of 726057342 is about 898.7873965778.

The spelling of 726057342 in words is "seven hundred twenty-six million, fifty-seven thousand, three hundred forty-two".