671302152 has 24 divisors (see below), whose sum is σ = 1818110190. Its totient is φ = 223767360.

The previous prime is 671302147. The next prime is 671302193. The reversal of 671302152 is 251203176.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 573410916 + 97891236 = 23946^2 + 9894^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×671302152² = 901293158559662208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4661749 + ... + 4661892.

Almost surely, 2^671302152 is an apocalyptic number.

It is an amenable number.

671302152 is an abundant number, since it is smaller than the sum of its proper divisors (1146808038).

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

671302152 is a wasteful number, since it uses less digits than its factorization.

671302152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9323653 (or 9323646 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 671302152 is about 25909.4992618537. The cubic root of 671302152 is about 875.6005246824.

The spelling of 671302152 in words is "six hundred seventy-one million, three hundred two thousand, one hundred fifty-two".