68632884 has 72 divisors (see below), whose sum is σ = 181359360. Its totient is φ = 21859200.

The previous prime is 68632867. The next prime is 68632901. The reversal of 68632884 is 48823686.

68632884 = T₃₂ + T₃₃ + ... + T₇₄₃.

It is a happy number.

68632884 is a `hidden beast` number, since 6 + 8 + 632 + 8 + 8 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (68632867) and next prime (68632901).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98979 + ... + 99669.

It is an arithmetic number, because the mean of its divisors is an integer number (2518880).

Almost surely, 2^68632884 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 68632884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90679680).

68632884 is an abundant number, since it is smaller than the sum of its proper divisors (112726476).

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

68632884 is a wasteful number, since it uses less digits than its factorization.

68632884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 816 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 68632884 is about 8284.4966051052. The cubic root of 68632884 is about 409.4278833766.

The spelling of 68632884 in words is "sixty-eight million, six hundred thirty-two thousand, eight hundred eighty-four".