63947974 has 8 divisors (see below), whose sum is σ = 96496848. Its totient is φ = 31782360.

The previous prime is 63947963. The next prime is 63948019. The reversal of 63947974 is 47974936.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95397 + ... + 96064.

It is an arithmetic number, because the mean of its divisors is an integer number (12062106).

Almost surely, 2^63947974 is an apocalyptic number.

63947974 is a deficient number, since it is larger than the sum of its proper divisors (32548874).

63947974 is a wasteful number, since it uses less digits than its factorization.

63947974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191630.

The product of its digits is 1143072, while the sum is 49.

The square root of 63947974 is about 7996.7477139147. The cubic root of 63947974 is about 399.8915831171.

The spelling of 63947974 in words is "sixty-three million, nine hundred forty-seven thousand, nine hundred seventy-four".