717423028 has 24 divisors (see below), whose sum is σ = 1436932224. Its totient is φ = 307020000.

The previous prime is 717423011. The next prime is 717423029. The reversal of 717423028 is 820324717.

It is a super-2 number, since 2×717423028² = 1029391602209377568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 717422984 and 717423002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (717423029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353 + ... + 37903.

It is an arithmetic number, because the mean of its divisors is an integer number (59872176).

Almost surely, 2^717423028 is an apocalyptic number.

It is an amenable number.

717423028 is an abundant number, since it is smaller than the sum of its proper divisors (719509196).

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

717423028 is a wasteful number, since it uses less digits than its factorization.

717423028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37263 (or 37261 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 717423028 is about 26784.7536482978. The cubic root of 717423028 is about 895.2103696992.

The spelling of 717423028 in words is "seven hundred seventeen million, four hundred twenty-three thousand, twenty-eight".