671112900 has 108 divisors (see below), whose sum is σ = 2130419200. Its totient is φ = 176679360.

The previous prime is 671112863. The next prime is 671112943. The reversal of 671112900 is 9211176.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 66381 + ... + 75819.

Almost surely, 2^671112900 is an apocalyptic number.

671112900 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671112900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1065209600).

671112900 is an abundant number, since it is smaller than the sum of its proper divisors (1459306300).

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

671112900 is a wasteful number, since it uses less digits than its factorization.

671112900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9538 (or 9528 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 671112900 is about 25905.8468303972. The cubic root of 671112900 is about 875.5182345023.

The spelling of 671112900 in words is "six hundred seventy-one million, one hundred twelve thousand, nine hundred".