331666704 has 40 divisors (see below), whose sum is σ = 952007520. Its totient is φ = 110555424.

The previous prime is 331666691. The next prime is 331666763. The reversal of 331666704 is 407666133.

It is a happy number.

It is a super-2 number, since 2×331666704² = 220005605084447232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383442 + ... + 384305.

It is an arithmetic number, because the mean of its divisors is an integer number (23800188).

Almost surely, 2^331666704 is an apocalyptic number.

It is an amenable number.

331666704 is an abundant number, since it is smaller than the sum of its proper divisors (620340816).

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

331666704 is a wasteful number, since it uses less digits than its factorization.

331666704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767764 (or 767752 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 331666704 is about 18211.7188645114. The cubic root of 331666704 is about 692.2037668274.

The spelling of 331666704 in words is "three hundred thirty-one million, six hundred sixty-six thousand, seven hundred four".