63381446 has 8 divisors (see below), whose sum is σ = 95523384. Its totient is φ = 31540320.

The previous prime is 63381431. The next prime is 63381469. The reversal of 63381446 is 64418336.

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

It is a Curzon number.

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, 74675 + ... + 75518.

It is an arithmetic number, because the mean of its divisors is an integer number (11940423).

Almost surely, 2^63381446 is an apocalyptic number.

63381446 is a deficient number, since it is larger than the sum of its proper divisors (32141938).

63381446 is a wasteful number, since it uses less digits than its factorization.

63381446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150406.

The product of its digits is 41472, while the sum is 35.

The square root of 63381446 is about 7961.2465104404. The cubic root of 63381446 is about 398.7071718233.

The spelling of 63381446 in words is "sixty-three million, three hundred eighty-one thousand, four hundred forty-six".