63072420 has 48 divisors (see below), whose sum is σ = 181382208. Its totient is φ = 16364160.

The previous prime is 63072413. The next prime is 63072433. The reversal of 63072420 is 2427036.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11986 + ... + 16425.

It is an arithmetic number, because the mean of its divisors is an integer number (3778796).

Almost surely, 2^63072420 is an apocalyptic number.

63072420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63072420 is an abundant number, since it is smaller than the sum of its proper divisors (118309788).

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

63072420 is a wasteful number, since it uses less digits than its factorization.

63072420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28460 (or 28458 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 63072420 is about 7941.8146540951. The cubic root of 63072420 is about 398.0581297720.

Adding to 63072420 its reverse (2427036), we get a palindrome (65499456).

The spelling of 63072420 in words is "sixty-three million, seventy-two thousand, four hundred twenty".