63449674 has 8 divisors (see below), whose sum is σ = 95335200. Its totient is φ = 31671276.

The previous prime is 63449657. The next prime is 63449681. The reversal of 63449674 is 47694436.

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

It is a super-2 number, since 2×63449674² = 8051722261412552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63449674.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25284 + ... + 27679.

It is an arithmetic number, because the mean of its divisors is an integer number (11916900).

Almost surely, 2^63449674 is an apocalyptic number.

63449674 is a deficient number, since it is larger than the sum of its proper divisors (31885526).

63449674 is a wasteful number, since it uses less digits than its factorization.

63449674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53564.

The product of its digits is 435456, while the sum is 43.

The square root of 63449674 is about 7965.5303652676. The cubic root of 63449674 is about 398.8501854834.

The spelling of 63449674 in words is "sixty-three million, four hundred forty-nine thousand, six hundred seventy-four".