671274624 has 64 divisors (see below), whose sum is σ = 1813356000. Its totient is φ = 219958272.

The previous prime is 671274607. The next prime is 671274641. The reversal of 671274624 is 426472176.

It is an interprime number because it is at equal distance from previous prime (671274607) and next prime (671274641).

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7842 + ... + 37470.

Almost surely, 2^671274624 is an apocalyptic number.

671274624 is a gapful number since it is divisible by the number (64) 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 671274624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (906678000).

671274624 is an abundant number, since it is smaller than the sum of its proper divisors (1142081376).

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

671274624 is a wasteful number, since it uses less digits than its factorization.

671274624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29705 (or 29693 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 671274624 is about 25908.9680226751. The cubic root of 671274624 is about 875.5885559732.

The spelling of 671274624 in words is "six hundred seventy-one million, two hundred seventy-four thousand, six hundred twenty-four".