674104428 has 18 divisors (see below), whose sum is σ = 1703986284. Its totient is φ = 224701464.

The previous prime is 674104427. The next prime is 674104433. The reversal of 674104428 is 824401476.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 18725123 = 674104428 / (6 + 7 + 4 + 1 + 0 + 4 + 4 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 674104392 and 674104401.

It is not an unprimeable number, because it can be changed into a prime (674104427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9362526 + ... + 9362597.

Almost surely, 2^674104428 is an apocalyptic number.

It is an amenable number.

674104428 is an abundant number, since it is smaller than the sum of its proper divisors (1029881856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674104428 is a wasteful number, since it uses less digits than its factorization.

674104428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18725133 (or 18725128 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 674104428 is about 25963.5211017304. The cubic root of 674104428 is about 876.8171988869.

The spelling of 674104428 in words is "six hundred seventy-four million, one hundred four thousand, four hundred twenty-eight".