63729042 has 16 divisors (see below), whose sum is σ = 137262720. Its totient is φ = 19608912.

The previous prime is 63729031. The next prime is 63729089. The reversal of 63729042 is 24092736.

It is a super-2 number, since 2×63729042² = 8122781588475528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63728994 and 63729012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408442 + ... + 408597.

It is an arithmetic number, because the mean of its divisors is an integer number (8578920).

Almost surely, 2^63729042 is an apocalyptic number.

63729042 is an abundant number, since it is smaller than the sum of its proper divisors (73533678).

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

63729042 is a wasteful number, since it uses less digits than its factorization.

63729042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817057.

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

The square root of 63729042 is about 7983.0471625815. The cubic root of 63729042 is about 399.4347056487.

The spelling of 63729042 in words is "sixty-three million, seven hundred twenty-nine thousand, forty-two".