674422403 has 4 divisors (see below), whose sum is σ = 687147408. Its totient is φ = 661697400.

The previous prime is 674422387. The next prime is 674422429. The reversal of 674422403 is 304224476.

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

It is a cyclic number.

It is not a de Polignac number, because 674422403 - 2⁴ = 674422387 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 674422403.

It is not an unprimeable number, because it can be changed into a prime (674422493) 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, 6362423 + ... + 6362528.

It is an arithmetic number, because the mean of its divisors is an integer number (171786852).

Almost surely, 2^674422403 is an apocalyptic number.

674422403 is a deficient number, since it is larger than the sum of its proper divisors (12725005).

674422403 is a wasteful number, since it uses less digits than its factorization.

674422403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12725004.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 674422403 is about 25969.6438751093. The cubic root of 674422403 is about 876.9550420811.

Adding to 674422403 its reverse (304224476), we get a palindrome (978646879).

The spelling of 674422403 in words is "six hundred seventy-four million, four hundred twenty-two thousand, four hundred three".