63674401 has 16 divisors (see below), whose sum is σ = 79712640. Its totient is φ = 49593600.

The previous prime is 63674383. The next prime is 63674407. The reversal of 63674401 is 10447636.

It is a de Polignac number, because none of the positive numbers 2^k-63674401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63674407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5775 + ... + 12676.

It is an arithmetic number, because the mean of its divisors is an integer number (4982040).

Almost surely, 2^63674401 is an apocalyptic number.

It is an amenable number.

63674401 is a deficient number, since it is larger than the sum of its proper divisors (16038239).

63674401 is a wasteful number, since it uses less digits than its factorization.

63674401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18504.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 63674401 is about 7979.6241139542. The cubic root of 63674401 is about 399.3205151544.

The spelling of 63674401 in words is "sixty-three million, six hundred seventy-four thousand, four hundred one".