68835450 has 48 divisors (see below), whose sum is σ = 173533536. Its totient is φ = 18052800.

The previous prime is 68835449. The next prime is 68835451. The reversal of 68835450 is 5453886.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68835449) and next prime (68835451).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68835399 and 68835408.

It is not an unprimeable number, because it can be changed into a prime (68835451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5389 + ... + 12911.

It is an arithmetic number, because the mean of its divisors is an integer number (3615282).

Almost surely, 2^68835450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68835450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86766768).

68835450 is an abundant number, since it is smaller than the sum of its proper divisors (104698086).

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

68835450 is a wasteful number, since it uses less digits than its factorization.

68835450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7599 (or 7594 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 68835450 is about 8296.7132046371. The cubic root of 68835450 is about 409.8302886744.

The spelling of 68835450 in words is "sixty-eight million, eight hundred thirty-five thousand, four hundred fifty".