63974319 has 8 divisors (see below), whose sum is σ = 88240560. Its totient is φ = 41178816.

The previous prime is 63974303. The next prime is 63974327. The reversal of 63974319 is 91347936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63974319 - 2⁴ = 63974303 is a prime.

It is a super-2 number, since 2×63974319² = 8185426983027522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63974329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367582 + ... + 367755.

It is an arithmetic number, because the mean of its divisors is an integer number (11030070).

Almost surely, 2^63974319 is an apocalyptic number.

63974319 is a deficient number, since it is larger than the sum of its proper divisors (24266241).

63974319 is a wasteful number, since it uses less digits than its factorization.

63974319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735369.

The product of its digits is 122472, while the sum is 42.

The square root of 63974319 is about 7998.3947764536. The cubic root of 63974319 is about 399.9464907589.

The spelling of 63974319 in words is "sixty-three million, nine hundred seventy-four thousand, three hundred nineteen".