671420492 has 6 divisors (see below), whose sum is σ = 1174985868. Its totient is φ = 335710244.

The previous prime is 671420479. The next prime is 671420501. The reversal of 671420492 is 294024176.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83927558 + ... + 83927565.

It is an arithmetic number, because the mean of its divisors is an integer number (195830978).

Almost surely, 2^671420492 is an apocalyptic number.

It is an amenable number.

671420492 is a deficient number, since it is larger than the sum of its proper divisors (503565376).

671420492 is a wasteful number, since it uses less digits than its factorization.

671420492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167855127 (or 167855125 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 671420492 is about 25911.7828796090. The cubic root of 671420492 is about 875.6519731882.

The spelling of 671420492 in words is "six hundred seventy-one million, four hundred twenty thousand, four hundred ninety-two".