68073330 has 64 divisors (see below), whose sum is σ = 183617280. Its totient is φ = 16025856.

The previous prime is 68073329. The next prime is 68073337. The reversal of 68073330 is 3337086.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (68073337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5176 + ... + 12764.

It is an arithmetic number, because the mean of its divisors is an integer number (2869020).

Almost surely, 2^68073330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68073330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91808640).

68073330 is an abundant number, since it is smaller than the sum of its proper divisors (115543950).

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

68073330 is a wasteful number, since it uses less digits than its factorization.

68073330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7635.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 68073330 is about 8250.6563375285. The cubic root of 68073330 is about 408.3121769778.

The spelling of 68073330 in words is "sixty-eight million, seventy-three thousand, three hundred thirty".