671845092 has 48 divisors (see below), whose sum is σ = 1653469440. Its totient is φ = 211734432.

The previous prime is 671845081. The next prime is 671845103. The reversal of 671845092 is 290548176.

It is an interprime number because it is at equal distance from previous prime (671845081) and next prime (671845103).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122023 + ... + 127409.

It is an arithmetic number, because the mean of its divisors is an integer number (34447280).

Almost surely, 2^671845092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671845092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (826734720).

671845092 is an abundant number, since it is smaller than the sum of its proper divisors (981624348).

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

671845092 is a wasteful number, since it uses less digits than its factorization.

671845092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5960 (or 5958 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 671845092 is about 25919.9747685062. The cubic root of 671845092 is about 875.8365189808.

The spelling of 671845092 in words is "six hundred seventy-one million, eight hundred forty-five thousand, ninety-two".