63742224 has 80 divisors (see below), whose sum is σ = 202681472. Its totient is φ = 16809984.

The previous prime is 63742201. The next prime is 63742229. The reversal of 63742224 is 42224736.

It is a super-2 number, since 2×63742224² = 8126142240932352, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 63742191 and 63742200.

It is not an unprimeable number, because it can be changed into a prime (63742229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2929 + ... + 11664.

Almost surely, 2^63742224 is an apocalyptic number.

It is an amenable number.

63742224 is an abundant number, since it is smaller than the sum of its proper divisors (138939248).

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

63742224 is a wasteful number, since it uses less digits than its factorization.

63742224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14624 (or 14618 counting only the distinct ones).

The product of its digits is 16128, while the sum is 30.

The square root of 63742224 is about 7983.8727444768. The cubic root of 63742224 is about 399.4622440370.

The spelling of 63742224 in words is "sixty-three million, seven hundred forty-two thousand, two hundred twenty-four".