63621060 has 24 divisors (see below), whose sum is σ = 178139136. Its totient is φ = 16965600.

The previous prime is 63621049. The next prime is 63621071. The reversal of 63621060 is 6012636.

It is an interprime number because it is at equal distance from previous prime (63621049) and next prime (63621071).

It is a self number, because there is not a number n which added to its sum of digits gives 63621060.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530116 + ... + 530235.

It is an arithmetic number, because the mean of its divisors is an integer number (7422464).

Almost surely, 2^63621060 is an apocalyptic number.

63621060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63621060 is an abundant number, since it is smaller than the sum of its proper divisors (114518076).

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

63621060 is a wasteful number, since it uses less digits than its factorization.

63621060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060363 (or 1060361 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 63621060 is about 7976.2810883268. The cubic root of 63621060 is about 399.2089784099.

Adding to 63621060 its reverse (6012636), we get a palindrome (69633696).

The spelling of 63621060 in words is "sixty-three million, six hundred twenty-one thousand, sixty".