674635477 has 4 divisors (see below), whose sum is σ = 681185440. Its totient is φ = 668085516.

The previous prime is 674635447. The next prime is 674635483. The reversal of 674635477 is 774536476.

674635477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 674635477 - 2²³ = 666246869 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 674635477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674635447) 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, 3274827 + ... + 3275032.

It is an arithmetic number, because the mean of its divisors is an integer number (170296360).

Almost surely, 2^674635477 is an apocalyptic number.

It is an amenable number.

674635477 is a deficient number, since it is larger than the sum of its proper divisors (6549963).

674635477 is a wasteful number, since it uses less digits than its factorization.

674635477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6549962.

The product of its digits is 2963520, while the sum is 49.

The square root of 674635477 is about 25973.7459177532. The cubic root of 674635477 is about 877.0473861091.

Subtracting 674635477 from its reverse (774536476), we obtain a palindrome (99900999).

The spelling of 674635477 in words is "six hundred seventy-four million, six hundred thirty-five thousand, four hundred seventy-seven".