63045756 has 48 divisors (see below), whose sum is σ = 164683680. Its totient is φ = 20856960.

The previous prime is 63045733. The next prime is 63045767. The reversal of 63045756 is 65754036.

It is a super-2 number, since 2×63045756² = 7949534699223072, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 63045756.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12666 + ... + 16926.

It is an arithmetic number, because the mean of its divisors is an integer number (3430910).

Almost surely, 2^63045756 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63045756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82341840).

63045756 is an abundant number, since it is smaller than the sum of its proper divisors (101637924).

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

63045756 is a wasteful number, since it uses less digits than its factorization.

63045756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4411 (or 4403 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 63045756 is about 7940.1357671012. The cubic root of 63045756 is about 398.0020285580.

The spelling of 63045756 in words is "sixty-three million, forty-five thousand, seven hundred fifty-six".