717126042 has 32 divisors (see below), whose sum is σ = 1451419200. Its totient is φ = 236193408.

The previous prime is 717126041. The next prime is 717126073. The reversal of 717126042 is 240621717.

It is a super-2 number, since 2×717126042² = 1028539520229171528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (717126041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272718 + ... + 275334.

It is an arithmetic number, because the mean of its divisors is an integer number (45356850).

Almost surely, 2^717126042 is an apocalyptic number.

717126042 is an abundant number, since it is smaller than the sum of its proper divisors (734293158).

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

717126042 is a wasteful number, since it uses less digits than its factorization.

717126042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3150.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 717126042 is about 26779.2091369405. The cubic root of 717126042 is about 895.0868249049.

Adding to 717126042 its reverse (240621717), we get a palindrome (957747759).

The spelling of 717126042 in words is "seven hundred seventeen million, one hundred twenty-six thousand, forty-two".