63345528 has 24 divisors (see below), whose sum is σ = 171561000. Its totient is φ = 21115152.

The previous prime is 63345523. The next prime is 63345577. The reversal of 63345528 is 82554336.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 63345492 and 63345501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63345521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 439828 + ... + 439971.

It is an arithmetic number, because the mean of its divisors is an integer number (7148375).

Almost surely, 2^63345528 is an apocalyptic number.

It is an amenable number.

63345528 is an abundant number, since it is smaller than the sum of its proper divisors (108215472).

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

63345528 is a wasteful number, since it uses less digits than its factorization.

63345528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879811 (or 879804 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 63345528 is about 7958.9903882339. The cubic root of 63345528 is about 398.6318423638.

The spelling of 63345528 in words is "sixty-three million, three hundred forty-five thousand, five hundred twenty-eight".