717273342 has 48 divisors (see below), whose sum is σ = 1603405440. Its totient is φ = 231564096.

The previous prime is 717273329. The next prime is 717273353. The reversal of 717273342 is 243372717.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 717273297 and 717273306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150163 + ... + 154865.

It is an arithmetic number, because the mean of its divisors is an integer number (33404280).

Almost surely, 2^717273342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 717273342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (801702720).

717273342 is an abundant number, since it is smaller than the sum of its proper divisors (886132098).

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

717273342 is a wasteful number, since it uses less digits than its factorization.

717273342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977 (or 4974 counting only the distinct ones).

The product of its digits is 49392, while the sum is 36.

The square root of 717273342 is about 26781.9592636536. The cubic root of 717273342 is about 895.1481052821.

The spelling of 717273342 in words is "seven hundred seventeen million, two hundred seventy-three thousand, three hundred forty-two".