671506492 has 12 divisors (see below), whose sum is σ = 1175377896. Its totient is φ = 335684240.

The previous prime is 671506481. The next prime is 671506601. The reversal of 671506492 is 294605176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9123 + ... + 37765.

It is an arithmetic number, because the mean of its divisors is an integer number (97948158).

Almost surely, 2^671506492 is an apocalyptic number.

It is an amenable number.

671506492 is a deficient number, since it is larger than the sum of its proper divisors (503871404).

671506492 is a wasteful number, since it uses less digits than its factorization.

671506492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34508 (or 34506 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 671506492 is about 25913.4423031754. The cubic root of 671506492 is about 875.6893580340.

The spelling of 671506492 in words is "six hundred seventy-one million, five hundred six thousand, four hundred ninety-two".