671774413 has 8 divisors (see below), whose sum is σ = 683654400. Its totient is φ = 659911008.

The previous prime is 671774359. The next prime is 671774447. The reversal of 671774413 is 314477176.

It is a happy number.

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 671774413 - 2²⁹ = 134903501 is a prime.

It is a super-2 number, since 2×671774413² = 902561723922989138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671774483) 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, 100545 + ... + 107017.

It is an arithmetic number, because the mean of its divisors is an integer number (85456800).

Almost surely, 2^671774413 is an apocalyptic number.

It is an amenable number.

671774413 is a deficient number, since it is larger than the sum of its proper divisors (11879987).

671774413 is a wasteful number, since it uses less digits than its factorization.

671774413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8291.

The product of its digits is 98784, while the sum is 40.

The square root of 671774413 is about 25918.6113246833. The cubic root of 671774413 is about 875.8058048470.

The spelling of 671774413 in words is "six hundred seventy-one million, seven hundred seventy-four thousand, four hundred thirteen".