671422752 has 576 divisors, whose sum is σ = 2734228224. Its totient is φ = 150405120.

The previous prime is 671422751. The next prime is 671422783. The reversal of 671422752 is 257224176.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (671422751) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4900828 + ... + 4900964.

It is an arithmetic number, because the mean of its divisors is an integer number (4746924).

Almost surely, 2^671422752 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 671422752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1367114112).

671422752 is an abundant number, since it is smaller than the sum of its proper divisors (2062805472).

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

671422752 is a wasteful number, since it uses less digits than its factorization.

671422752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 190 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 671422752 is about 25911.8264890764. The cubic root of 671422752 is about 875.6529556680.

The spelling of 671422752 in words is "six hundred seventy-one million, four hundred twenty-two thousand, seven hundred fifty-two".