63291042 has 24 divisors (see below), whose sum is σ = 137290140. Its totient is φ = 21072480.

The previous prime is 63291031. The next prime is 63291043. The reversal of 63291042 is 24019236.

It can be written as a sum of positive squares in 2 ways, for example, as 55219761 + 8071281 = 7431^2 + 2841^2 .

It is a super-4 number, since 4×63291042⁴ (a number of 32 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63290997 and 63291015.

It is not an unprimeable number, because it can be changed into a prime (63291043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20692 + ... + 23552.

Almost surely, 2^63291042 is an apocalyptic number.

63291042 is an abundant number, since it is smaller than the sum of its proper divisors (73999098).

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

63291042 is a wasteful number, since it uses less digits than its factorization.

63291042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4098 (or 4095 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 63291042 is about 7955.5667302839. The cubic root of 63291042 is about 398.5175165616.

The spelling of 63291042 in words is "sixty-three million, two hundred ninety-one thousand, forty-two".