674873461 has 2 divisors, whose sum is σ = 674873462. Its totient is φ = 674873460.

The previous prime is 674873443. The next prime is 674873477. The reversal of 674873461 is 164378476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 475894225 + 198979236 = 21815^2 + 14106^2 .

It is a cyclic number.

It is not a de Polignac number, because 674873461 - 2²³ = 666484853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674873411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337436730 + 337436731.

It is an arithmetic number, because the mean of its divisors is an integer number (337436731).

Almost surely, 2^674873461 is an apocalyptic number.

It is an amenable number.

674873461 is a deficient number, since it is larger than the sum of its proper divisors (1).

674873461 is an equidigital number, since it uses as much as digits as its factorization.

674873461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 46.

The square root of 674873461 is about 25978.3267552012. The cubic root of 674873461 is about 877.1505028855.

The spelling of 674873461 in words is "six hundred seventy-four million, eight hundred seventy-three thousand, four hundred sixty-one".