662238756 has 27 divisors (see below), whose sum is σ = 1674382801. Its totient is φ = 220694784.

The previous prime is 662238649. The next prime is 662238761. The reversal of 662238756 is 657832266.

It is a happy number.

The square root of 662238756 is 25734.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 623301156 + 38937600 = 24966^2 + 6240^2 .

It is a super-3 number, since 3×662238756³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 152260 + ... + 156548.

Almost surely, 2^662238756 is an apocalyptic number.

662238756 is the 25734-th square number.

It is an amenable number.

662238756 is an abundant number, since it is smaller than the sum of its proper divisors (1012144045).

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

662238756 is an equidigital number, since it uses as much as digits as its factorization.

662238756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8588 (or 4294 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The cubic root of 662238756 is about 871.6420987965.

The spelling of 662238756 in words is "six hundred sixty-two million, two hundred thirty-eight thousand, seven hundred fifty-six".