68901330 has 64 divisors (see below), whose sum is σ = 175488768. Its totient is φ = 17276160.

The previous prime is 68901253. The next prime is 68901347. The reversal of 68901330 is 3310986.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41272 + ... + 42908.

It is an arithmetic number, because the mean of its divisors is an integer number (2742012).

Almost surely, 2^68901330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68901330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87744384).

68901330 is an abundant number, since it is smaller than the sum of its proper divisors (106587438).

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

68901330 is a wasteful number, since it uses less digits than its factorization.

68901330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 68901330 is about 8300.6825020597. The cubic root of 68901330 is about 409.9609917280.

The spelling of 68901330 in words is "sixty-eight million, nine hundred one thousand, three hundred thirty".