68972634 has 48 divisors (see below), whose sum is σ = 156243360. Its totient is φ = 22803120.

The previous prime is 68972623. The next prime is 68972677. The reversal of 68972634 is 43627986.

68972634 is a `hidden beast` number, since 6 + 8 + 9 + 7 + 2 + 634 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 68972634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67044 + ... + 68064.

It is an arithmetic number, because the mean of its divisors is an integer number (3255070).

Almost surely, 2^68972634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68972634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78121680).

68972634 is an abundant number, since it is smaller than the sum of its proper divisors (87270726).

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

68972634 is a wasteful number, since it uses less digits than its factorization.

68972634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177 (or 1165 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 68972634 is about 8304.9764599305. The cubic root of 68972634 is about 410.1023619096.

The spelling of 68972634 in words is "sixty-eight million, nine hundred seventy-two thousand, six hundred thirty-four".