671254752 has 192 divisors, whose sum is σ = 2100639744. Its totient is φ = 183705600.

The previous prime is 671254733. The next prime is 671254757. The reversal of 671254752 is 257452176.

It is a self number, because there is not a number n which added to its sum of digits gives 671254752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671254757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1673752 + ... + 1674152.

It is an arithmetic number, because the mean of its divisors is an integer number (10940832).

Almost surely, 2^671254752 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 671254752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1050319872).

671254752 is an abundant number, since it is smaller than the sum of its proper divisors (1429384992).

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

671254752 is a wasteful number, since it uses less digits than its factorization.

671254752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 513 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 671254752 is about 25908.5845232811. The cubic root of 671254752 is about 875.5799157601.

The spelling of 671254752 in words is "six hundred seventy-one million, two hundred fifty-four thousand, seven hundred fifty-two".