674473477 has 4 divisors (see below), whose sum is σ = 674606476. Its totient is φ = 674340480.

The previous prime is 674473469. The next prime is 674473483. The reversal of 674473477 is 774374476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 369831361 + 304642116 = 19231^2 + 17454^2 .

It is a cyclic number.

It is not a de Polignac number, because 674473477 - 2³ = 674473469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 674473477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674473277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58578 + ... + 69139.

It is an arithmetic number, because the mean of its divisors is an integer number (168651619).

Almost surely, 2^674473477 is an apocalyptic number.

It is an amenable number.

674473477 is a deficient number, since it is larger than the sum of its proper divisors (132999).

674473477 is a wasteful number, since it uses less digits than its factorization.

674473477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132998.

The product of its digits is 2765952, while the sum is 49.

The square root of 674473477 is about 25970.6271968930. The cubic root of 674473477 is about 876.9771787870.

Subtracting 674473477 from its reverse (774374476), we obtain a palindrome (99900999).

The spelling of 674473477 in words is "six hundred seventy-four million, four hundred seventy-three thousand, four hundred seventy-seven".