674190031 has 2 divisors, whose sum is σ = 674190032. Its totient is φ = 674190030.

The previous prime is 674189981. The next prime is 674190071. The reversal of 674190031 is 130091476.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674190031 is a prime.

It is a super-2 number, since 2×674190031² = 909064395799561922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 674189975 and 674190002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674190071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337095015 + 337095016.

It is an arithmetic number, because the mean of its divisors is an integer number (337095016).

Almost surely, 2^674190031 is an apocalyptic number.

674190031 is a deficient number, since it is larger than the sum of its proper divisors (1).

674190031 is an equidigital number, since it uses as much as digits as its factorization.

674190031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 674190031 is about 25965.1695738734. The cubic root of 674190031 is about 876.8543123284.

The spelling of 674190031 in words is "six hundred seventy-four million, one hundred ninety thousand, thirty-one".