63625446 has 32 divisors (see below), whose sum is σ = 142005600. Its totient is φ = 21116160.

The previous prime is 63625439. The next prime is 63625483. The reversal of 63625446 is 64452636.

It is a self number, because there is not a number n which added to its sum of digits gives 63625446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10570 + ... + 15458.

It is an arithmetic number, because the mean of its divisors is an integer number (4437675).

Almost surely, 2^63625446 is an apocalyptic number.

63625446 is an abundant number, since it is smaller than the sum of its proper divisors (78380154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63625446 is a wasteful number, since it uses less digits than its factorization.

63625446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141 (or 5135 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 63625446 is about 7976.5560237486. The cubic root of 63625446 is about 399.2181519464.

The spelling of 63625446 in words is "sixty-three million, six hundred twenty-five thousand, four hundred forty-six".