63438272 has 14 divisors (see below), whose sum is σ = 125885448. Its totient is φ = 31719104.

The previous prime is 63438269. The next prime is 63438289. The reversal of 63438272 is 27283436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495548 + ... + 495675.

Almost surely, 2^63438272 is an apocalyptic number.

It is an amenable number.

63438272 is a deficient number, since it is larger than the sum of its proper divisors (62447176).

63438272 is an equidigital number, since it uses as much as digits as its factorization.

63438272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991235 (or 991225 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 63438272 is about 7964.8146243337. The cubic root of 63438272 is about 398.8262927300.

The spelling of 63438272 in words is "sixty-three million, four hundred thirty-eight thousand, two hundred seventy-two".