674541418 has 4 divisors (see below), whose sum is σ = 1011812130. Its totient is φ = 337270708.

The previous prime is 674541397. The next prime is 674541451. The reversal of 674541418 is 814145476.

674541418 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.

It can be written as a sum of positive squares in only one way, i.e., 383258929 + 291282489 = 19577^2 + 17067^2 .

It is a super-2 number, since 2×674541418² = 910012249194901448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168635353 + ... + 168635356.

Almost surely, 2^674541418 is an apocalyptic number.

674541418 is a deficient number, since it is larger than the sum of its proper divisors (337270712).

674541418 is a wasteful number, since it uses less digits than its factorization.

674541418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337270711.

The product of its digits is 107520, while the sum is 40.

The square root of 674541418 is about 25971.9351993647. The cubic root of 674541418 is about 877.0066243264.

The spelling of 674541418 in words is "six hundred seventy-four million, five hundred forty-one thousand, four hundred eighteen".