63674149 has 32 divisors (see below), whose sum is σ = 84879360. Its totient is φ = 46267200.

The previous prime is 63674131. The next prime is 63674209. The reversal of 63674149 is 94147636.

It is not a de Polignac number, because 63674149 - 2¹⁵ = 63641381 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63174149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103567 + ... + 104179.

It is an arithmetic number, because the mean of its divisors is an integer number (2652480).

Almost surely, 2^63674149 is an apocalyptic number.

It is an amenable number.

63674149 is a deficient number, since it is larger than the sum of its proper divisors (21205211).

63674149 is a wasteful number, since it uses less digits than its factorization.

63674149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721.

The product of its digits is 108864, while the sum is 40.

The square root of 63674149 is about 7979.6083237212. The cubic root of 63674149 is about 399.3199883655.

The spelling of 63674149 in words is "sixty-three million, six hundred seventy-four thousand, one hundred forty-nine".