63475712 has 26 divisors (see below), whose sum is σ = 126944118. Its totient is φ = 31735808.

The previous prime is 63475703. The next prime is 63475721. The reversal of 63475712 is 21757436.

It is an interprime number because it is at equal distance from previous prime (63475703) and next prime (63475721).

It can be written as a sum of positive squares in only one way, i.e., 62980096 + 495616 = 7936^2 + 704^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3653 + ... + 11844.

Almost surely, 2^63475712 is an apocalyptic number.

It is an amenable number.

63475712 is a deficient number, since it is larger than the sum of its proper divisors (63468406).

63475712 is an equidigital number, since it uses as much as digits as its factorization.

63475712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15521 (or 15499 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 63475712 is about 7967.1646148426. The cubic root of 63475712 is about 398.9047370684.

The spelling of 63475712 in words is "sixty-three million, four hundred seventy-five thousand, seven hundred twelve".