674162939 has 2 divisors, whose sum is σ = 674162940. Its totient is φ = 674162938.

The previous prime is 674162887. The next prime is 674163013. The reversal of 674162939 is 939261476.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674162939 is a prime.

It is a super-2 number, since 2×674162939² = 908991336642235442, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 674162893 and 674162902.

It is not a weakly prime, because it can be changed into another prime (674162339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337081469 + 337081470.

It is an arithmetic number, because the mean of its divisors is an integer number (337081470).

Almost surely, 2^674162939 is an apocalyptic number.

674162939 is a deficient number, since it is larger than the sum of its proper divisors (1).

674162939 is an equidigital number, since it uses as much as digits as its factorization.

674162939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 47.

The square root of 674162939 is about 25964.6478697478. The cubic root of 674162939 is about 876.8425668490.

The spelling of 674162939 in words is "six hundred seventy-four million, one hundred sixty-two thousand, nine hundred thirty-nine".