63420732 has 30 divisors (see below), whose sum is σ = 165795168. Its totient is φ = 21140136.

The previous prime is 63420713. The next prime is 63420739. The reversal of 63420732 is 23702436.

63420732 is a `hidden beast` number, since 634 + 20 + 7 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 63420696 and 63420705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63420739) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 97548 + ... + 98195.

Almost surely, 2^63420732 is an apocalyptic number.

It is an amenable number.

63420732 is an abundant number, since it is smaller than the sum of its proper divisors (102374436).

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

63420732 is a wasteful number, since it uses less digits than its factorization.

63420732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195759 (or 195748 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 63420732 is about 7963.7134554176. The cubic root of 63420732 is about 398.7895322815.

The spelling of 63420732 in words is "sixty-three million, four hundred twenty thousand, seven hundred thirty-two".