63842452 has 12 divisors (see below), whose sum is σ = 112213780. Its totient is φ = 31781376.

The previous prime is 63842437. The next prime is 63842473. The reversal of 63842452 is 25424836.

It can be written as a sum of positive squares in 2 ways, for example, as 62663056 + 1179396 = 7916^2 + 1086^2 .

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, 33933 + ... + 35764.

Almost surely, 2^63842452 is an apocalyptic number.

It is an amenable number.

63842452 is a deficient number, since it is larger than the sum of its proper divisors (48371328).

63842452 is a wasteful number, since it uses less digits than its factorization.

63842452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69930 (or 69928 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 63842452 is about 7990.1471826244. The cubic root of 63842452 is about 399.6715053019.

It can be divided in two parts, 6384 and 2452, that added together give a square (8836 = 94²).

The spelling of 63842452 in words is "sixty-three million, eight hundred forty-two thousand, four hundred fifty-two".