63421732 has 24 divisors (see below), whose sum is σ = 123897312. Its totient is φ = 28156800.

The previous prime is 63421723. The next prime is 63421733. The reversal of 63421732 is 23712436.

It is a self number, because there is not a number n which added to its sum of digits gives 63421732.

It is not an unprimeable number, because it can be changed into a prime (63421733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14869 + ... + 18652.

It is an arithmetic number, because the mean of its divisors is an integer number (5162388).

Almost surely, 2^63421732 is an apocalyptic number.

It is an amenable number.

63421732 is a deficient number, since it is larger than the sum of its proper divisors (60475580).

63421732 is a wasteful number, since it uses less digits than its factorization.

63421732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33579 (or 33577 counting only the distinct ones).

The product of its digits is 6048, while the sum is 28.

The square root of 63421732 is about 7963.7762399505. The cubic root of 63421732 is about 398.7916282703.

It can be divided in two parts, 634 and 21732, that added together give a triangular number (22366 = T₂₁₁).

The spelling of 63421732 in words is "sixty-three million, four hundred twenty-one thousand, seven hundred thirty-two".