717698142 has 24 divisors (see below), whose sum is σ = 1777157616. Its totient is φ = 205056576.

The previous prime is 717698117. The next prime is 717698147. The reversal of 717698142 is 241896717.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (717698147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2847883 + ... + 2848134.

It is an arithmetic number, because the mean of its divisors is an integer number (74048234).

Almost surely, 2^717698142 is an apocalyptic number.

717698142 is an abundant number, since it is smaller than the sum of its proper divisors (1059459474).

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

717698142 is a wasteful number, since it uses less digits than its factorization.

717698142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696032 (or 5696029 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 717698142 is about 26789.8888015609. Note that the first 4 decimals coincide. The cubic root of 717698142 is about 895.3247854257.

The spelling of 717698142 in words is "seven hundred seventeen million, six hundred ninety-eight thousand, one hundred forty-two".