671901373 has 8 divisors (see below), whose sum is σ = 789366816. Its totient is φ = 563833200.

The previous prime is 671901371. The next prime is 671901383. The reversal of 671901373 is 373109176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 671901373 - 2¹ = 671901371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671901371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2349163 + ... + 2349448.

It is an arithmetic number, because the mean of its divisors is an integer number (98670852).

Almost surely, 2^671901373 is an apocalyptic number.

It is an amenable number.

671901373 is a deficient number, since it is larger than the sum of its proper divisors (117465443).

671901373 is a wasteful number, since it uses less digits than its factorization.

671901373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4698635.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 671901373 is about 25921.0604142655. The cubic root of 671901373 is about 875.8609748062.

The spelling of 671901373 in words is "six hundred seventy-one million, nine hundred one thousand, three hundred seventy-three".