674223091 has 2 divisors, whose sum is σ = 674223092. Its totient is φ = 674223090.

The previous prime is 674223073. The next prime is 674223119. The reversal of 674223091 is 190322476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 674223091 - 2⁹ = 674222579 is a prime.

It is not a weakly prime, because it can be changed into another prime (674223391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337111545 + 337111546.

It is an arithmetic number, because the mean of its divisors is an integer number (337111546).

Almost surely, 2^674223091 is an apocalyptic number.

674223091 is a deficient number, since it is larger than the sum of its proper divisors (1).

674223091 is an equidigital number, since it uses as much as digits as its factorization.

674223091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 674223091 is about 25965.8061881390. The cubic root of 674223091 is about 876.8686447512.

The spelling of 674223091 in words is "six hundred seventy-four million, two hundred twenty-three thousand, ninety-one".