671292492 has 24 divisors (see below), whose sum is σ = 1686837936. Its totient is φ = 206551488.

The previous prime is 671292473. The next prime is 671292511. The reversal of 671292492 is 294292176.

It is an interprime number because it is at equal distance from previous prime (671292473) and next prime (671292511).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2151423 + ... + 2151734.

It is an arithmetic number, because the mean of its divisors is an integer number (70284914).

Almost surely, 2^671292492 is an apocalyptic number.

It is an amenable number.

671292492 is an abundant number, since it is smaller than the sum of its proper divisors (1015545444).

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

671292492 is a wasteful number, since it uses less digits than its factorization.

671292492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4303177 (or 4303175 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 671292492 is about 25909.3128430686. The cubic root of 671292492 is about 875.5963247149.

The spelling of 671292492 in words is "six hundred seventy-one million, two hundred ninety-two thousand, four hundred ninety-two".