674674811 has 2 divisors, whose sum is σ = 674674812. Its totient is φ = 674674810.

The previous prime is 674674769. The next prime is 674674829. The reversal of 674674811 is 118476476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 674674811 - 2⁶ = 674674747 is a prime.

It is a super-2 number, since 2×674674811² = 910372201195771442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (674674841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337337405 + 337337406.

It is an arithmetic number, because the mean of its divisors is an integer number (337337406).

Almost surely, 2^674674811 is an apocalyptic number.

674674811 is a deficient number, since it is larger than the sum of its proper divisors (1).

674674811 is an equidigital number, since it uses as much as digits as its factorization.

674674811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 44.

The square root of 674674811 is about 25974.5030943808. The cubic root of 674674811 is about 877.0644309245.

The spelling of 674674811 in words is "six hundred seventy-four million, six hundred seventy-four thousand, eight hundred eleven".