1672339864 has 32 divisors (see below), whose sum is σ = 3378931920. Its totient is φ = 771371136.

The previous prime is 1672339847. The next prime is 1672339873. The reversal of 1672339864 is 4689332761.

It is a congruent number.

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, 206842 + ... + 214774.

Almost surely, 2^1672339864 is an apocalyptic number.

It is an amenable number.

1672339864 is an abundant number, since it is smaller than the sum of its proper divisors (1706592056).

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

1672339864 is a wasteful number, since it uses less digits than its factorization.

1672339864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9979 (or 9975 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The square root of 1672339864 is about 40894.2522122608. The cubic root of 1672339864 is about 1186.9748418279.

The spelling of 1672339864 in words is "one billion, six hundred seventy-two million, three hundred thirty-nine thousand, eight hundred sixty-four".