671974593 has 8 divisors (see below), whose sum is σ = 896210208. Its totient is φ = 447861024.

The previous prime is 671974591. The next prime is 671974603. The reversal of 671974593 is 395479176.

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

It is not a de Polignac number, because 671974593 - 2¹ = 671974591 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671974591) 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, 16780 + ... + 40317.

It is an arithmetic number, because the mean of its divisors is an integer number (112026276).

Almost surely, 2^671974593 is an apocalyptic number.

It is an amenable number.

671974593 is a deficient number, since it is larger than the sum of its proper divisors (224235615).

671974593 is a wasteful number, since it uses less digits than its factorization.

671974593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61023.

The product of its digits is 1428840, while the sum is 51.

The square root of 671974593 is about 25922.4727408479. The cubic root of 671974593 is about 875.8927891041.

The spelling of 671974593 in words is "six hundred seventy-one million, nine hundred seventy-four thousand, five hundred ninety-three".