674557067 has 2 divisors, whose sum is σ = 674557068. Its totient is φ = 674557066.

The previous prime is 674557049. The next prime is 674557099. The reversal of 674557067 is 760755476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 674557067 - 2¹² = 674552971 is a prime.

It is not a weakly prime, because it can be changed into another prime (674557007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337278533 + 337278534.

It is an arithmetic number, because the mean of its divisors is an integer number (337278534).

Almost surely, 2^674557067 is an apocalyptic number.

674557067 is a deficient number, since it is larger than the sum of its proper divisors (1).

674557067 is an equidigital number, since it uses as much as digits as its factorization.

674557067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1234800, while the sum is 47.

The square root of 674557067 is about 25972.2364651179. The cubic root of 674557067 is about 877.0134063021.

The spelling of 674557067 in words is "six hundred seventy-four million, five hundred fifty-seven thousand, sixty-seven".