63942072 has 16 divisors (see below), whose sum is σ = 159855240. Its totient is φ = 21314016.

The previous prime is 63942061. The next prime is 63942077. The reversal of 63942072 is 27024936.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63942077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1332103 + ... + 1332150.

Almost surely, 2^63942072 is an apocalyptic number.

It is an amenable number.

63942072 is an abundant number, since it is smaller than the sum of its proper divisors (95913168).

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

63942072 is a wasteful number, since it uses less digits than its factorization.

63942072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664262 (or 2664258 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 63942072 is about 7996.3786803778. The cubic root of 63942072 is about 399.8792802372.

The spelling of 63942072 in words is "sixty-three million, nine hundred forty-two thousand, seventy-two".