63674899 has 12 divisors (see below), whose sum is σ = 66348288. Its totient is φ = 61104720.

The previous prime is 63674893. The next prime is 63674903. The reversal of 63674899 is 99847636.

It is not a de Polignac number, because 63674899 - 2⁷ = 63674771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63674893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166062 + ... + 166444.

It is an arithmetic number, because the mean of its divisors is an integer number (5529024).

Almost surely, 2^63674899 is an apocalyptic number.

63674899 is a deficient number, since it is larger than the sum of its proper divisors (2673389).

63674899 is a wasteful number, since it uses less digits than its factorization.

63674899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 587 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 52.

The square root of 63674899 is about 7979.6553183706. The cubic root of 63674899 is about 399.3215561856.

The spelling of 63674899 in words is "sixty-three million, six hundred seventy-four thousand, eight hundred ninety-nine".