68632704 has 128 divisors (see below), whose sum is σ = 231580800. Its totient is φ = 19602432.

The previous prime is 68632699. The next prime is 68632727. The reversal of 68632704 is 40723686.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22774 + ... + 25610.

It is an arithmetic number, because the mean of its divisors is an integer number (1809225).

Almost surely, 2^68632704 is an apocalyptic number.

68632704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68632704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115790400).

68632704 is an abundant number, since it is smaller than the sum of its proper divisors (162948096).

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

68632704 is a wasteful number, since it uses less digits than its factorization.

68632704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867 (or 2849 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 68632704 is about 8284.4857414326. The cubic root of 68632704 is about 409.4275254477.

The spelling of 68632704 in words is "sixty-eight million, six hundred thirty-two thousand, seven hundred four".