68875650 has 96 divisors (see below), whose sum is σ = 191565120. Its totient is φ = 18195840.

The previous prime is 68875621. The next prime is 68875657. The reversal of 68875650 is 5657886.

68875650 is a `hidden beast` number, since 6 + 8 + 87 + 565 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 68875596 and 68875605.

It is not an unprimeable number, because it can be changed into a prime (68875657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219894 + ... + 220206.

It is an arithmetic number, because the mean of its divisors is an integer number (1995470).

Almost surely, 2^68875650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68875650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95782560).

68875650 is an abundant number, since it is smaller than the sum of its proper divisors (122689470).

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

68875650 is a wasteful number, since it uses less digits than its factorization.

68875650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 68875650 is about 8299.1354971467. The cubic root of 68875650 is about 409.9100536379.

The spelling of 68875650 in words is "sixty-eight million, eight hundred seventy-five thousand, six hundred fifty".