674248871 has 4 divisors (see below), whose sum is σ = 675106392. Its totient is φ = 673391352.

The previous prime is 674248859. The next prime is 674248879. The reversal of 674248871 is 178842476.

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 674248871 - 2⁶ = 674248807 is a prime.

It is a super-2 number, since 2×674248871² = 909223080089549282, 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 (674248879) 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, 427580 + ... + 429153.

It is an arithmetic number, because the mean of its divisors is an integer number (168776598).

Almost surely, 2^674248871 is an apocalyptic number.

674248871 is a deficient number, since it is larger than the sum of its proper divisors (857521).

674248871 is an equidigital number, since it uses as much as digits as its factorization.

674248871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857520.

The product of its digits is 602112, while the sum is 47.

The square root of 674248871 is about 25966.3026054924. The cubic root of 674248871 is about 876.8798207679.

The spelling of 674248871 in words is "six hundred seventy-four million, two hundred forty-eight thousand, eight hundred seventy-one".