671669802 has 24 divisors (see below), whose sum is σ = 1455854400. Its totient is φ = 223802280.

The previous prime is 671669797. The next prime is 671669819. The reversal of 671669802 is 208966176.

It is a super-2 number, since 2×671669802² = 902280645837438408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53727 + ... + 65037.

It is an arithmetic number, because the mean of its divisors is an integer number (60660600).

Almost surely, 2^671669802 is an apocalyptic number.

671669802 is an abundant number, since it is smaller than the sum of its proper divisors (784184598).

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

671669802 is a wasteful number, since it uses less digits than its factorization.

671669802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14618 (or 14615 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 671669802 is about 25916.5931788883. The cubic root of 671669802 is about 875.7603413326.

The spelling of 671669802 in words is "six hundred seventy-one million, six hundred sixty-nine thousand, eight hundred two".