671420792 has 16 divisors (see below), whose sum is σ = 1438758960. Its totient is φ = 287751744.

The previous prime is 671420753. The next prime is 671420809. The reversal of 671420792 is 297024176.

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, 5994773 + ... + 5994884.

It is an arithmetic number, because the mean of its divisors is an integer number (89922435).

Almost surely, 2^671420792 is an apocalyptic number.

It is an amenable number.

671420792 is an abundant number, since it is smaller than the sum of its proper divisors (767338168).

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

671420792 is a wasteful number, since it uses less digits than its factorization.

671420792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11989670 (or 11989666 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 671420792 is about 25911.7886684806. The cubic root of 671420792 is about 875.6521036060.

The spelling of 671420792 in words is "six hundred seventy-one million, four hundred twenty thousand, seven hundred ninety-two".