674671477 has 2 divisors, whose sum is σ = 674671478. Its totient is φ = 674671476.

The previous prime is 674671471. The next prime is 674671519. The reversal of 674671477 is 774176476.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 674648676 + 22801 = 25974^2 + 151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674671477 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 674671477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674671471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337335738 + 337335739.

It is an arithmetic number, because the mean of its divisors is an integer number (337335739).

Almost surely, 2^674671477 is an apocalyptic number.

It is an amenable number.

674671477 is a deficient number, since it is larger than the sum of its proper divisors (1).

674671477 is an equidigital number, since it uses as much as digits as its factorization.

674671477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382976, while the sum is 49.

The square root of 674671477 is about 25974.4389159805. The cubic root of 674671477 is about 877.0629862099.

The spelling of 674671477 in words is "six hundred seventy-four million, six hundred seventy-one thousand, four hundred seventy-seven".