63534628 has 12 divisors (see below), whose sum is σ = 111274380. Its totient is φ = 31741952.

The previous prime is 63534619. The next prime is 63534637. The reversal of 63534628 is 82643536.

63534628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

63534628 is a nontrivial binomial coefficient, being equal to C(11273, 2).

It is an interprime number because it is at equal distance from previous prime (63534619) and next prime (63534637).

It can be written as a sum of positive squares in 2 ways, for example, as 6260004 + 57274624 = 2502^2 + 7568^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1 + ... + 11272.

It is an arithmetic number, because the mean of its divisors is an integer number (9272865).

Almost surely, 2^63534628 is an apocalyptic number.

63534628 is the 11272-nd triangular number.

63534628 is the 3758-th centered nonagonal number.

It is an amenable number.

63534628 is a deficient number, since it is larger than the sum of its proper divisors (47739752).

63534628 is a wasteful number, since it uses less digits than its factorization.

63534628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12686 (or 12684 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 63534628 is about 7970.8611830843. The cubic root of 63534628 is about 399.0281155139.

The spelling of 63534628 in words is "sixty-three million, five hundred thirty-four thousand, six hundred twenty-eight".