674265871 has 4 divisors (see below), whose sum is σ = 674352544. Its totient is φ = 674179200.

The previous prime is 674265853. The next prime is 674265899. The reversal of 674265871 is 178562476.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 674265871 - 2¹⁵ = 674233103 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 (674265811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30375 + ... + 47656.

It is an arithmetic number, because the mean of its divisors is an integer number (168588136).

Almost surely, 2^674265871 is an apocalyptic number.

674265871 is a deficient number, since it is larger than the sum of its proper divisors (86673).

674265871 is an equidigital number, since it uses as much as digits as its factorization.

674265871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86672.

The product of its digits is 564480, while the sum is 46.

The square root of 674265871 is about 25966.6299507657. The cubic root of 674265871 is about 876.8871903670.

The spelling of 674265871 in words is "six hundred seventy-four million, two hundred sixty-five thousand, eight hundred seventy-one".