671082372 has 36 divisors (see below), whose sum is σ = 1702821120. Its totient is φ = 222840432.

The previous prime is 671082311. The next prime is 671082421. The reversal of 671082372 is 273280176.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 25972 + ... + 44907.

Almost surely, 2^671082372 is an apocalyptic number.

It is an amenable number.

671082372 is an abundant number, since it is smaller than the sum of its proper divisors (1031738748).

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

671082372 is a wasteful number, since it uses less digits than its factorization.

671082372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71152 (or 71147 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 671082372 is about 25905.2576130792. The cubic root of 671082372 is about 875.5049589288.

The spelling of 671082372 in words is "six hundred seventy-one million, eighty-two thousand, three hundred seventy-two".