726011042 has 4 divisors (see below), whose sum is σ = 1089016566. Its totient is φ = 363005520.

The previous prime is 726011023. The next prime is 726011047. The reversal of 726011042 is 240110627.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 469979041 + 256032001 = 21679^2 + 16001^2 .

It is a junction number, because it is equal to n+sod(n) for n = 726010999 and 726011017.

It is not an unprimeable number, because it can be changed into a prime (726011047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181502759 + ... + 181502762.

Almost surely, 2^726011042 is an apocalyptic number.

726011042 is a deficient number, since it is larger than the sum of its proper divisors (363005524).

726011042 is a wasteful number, since it uses less digits than its factorization.

726011042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363005523.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 726011042 is about 26944.5920733642. The cubic root of 726011042 is about 898.7682912268.

Adding to 726011042 its reverse (240110627), we get a palindrome (966121669).

The spelling of 726011042 in words is "seven hundred twenty-six million, eleven thousand, forty-two".