63442972 has 12 divisors (see below), whose sum is σ = 111427960. Its totient is φ = 31606416.

The previous prime is 63442969. The next prime is 63442979. The reversal of 63442972 is 27924436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63442979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27522 + ... + 29737.

Almost surely, 2^63442972 is an apocalyptic number.

It is an amenable number.

63442972 is a deficient number, since it is larger than the sum of its proper divisors (47984988).

63442972 is a wasteful number, since it uses less digits than its factorization.

63442972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57540 (or 57538 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 63442972 is about 7965.1096665394. The cubic root of 63442972 is about 398.8361418701.

It can be divided in two parts, 634429 and 72, that added together give a triangular number (634501 = T₁₁₂₆).

The spelling of 63442972 in words is "sixty-three million, four hundred forty-two thousand, nine hundred seventy-two".