671034880 has 120 divisors (see below), whose sum is σ = 1711004328. Its totient is φ = 252346368.

The previous prime is 671034877. The next prime is 671034883. The reversal of 671034880 is 88430176.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (671034877) and next prime (671034883).

It is a super-2 number, since 2×671034880² = 900575620353228800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671034883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 739387 + ... + 740293.

Almost surely, 2^671034880 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 671034880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855502164).

671034880 is an abundant number, since it is smaller than the sum of its proper divisors (1039969448).

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

671034880 is an equidigital number, since it uses as much as digits as its factorization.

671034880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 671034880 is about 25904.3409489607. The cubic root of 671034880 is about 875.4843054968.

The spelling of 671034880 in words is "six hundred seventy-one million, thirty-four thousand, eight hundred eighty".