7068390 has 64 divisors (see below), whose sum is σ = 19643904. Its totient is φ = 1594368.

The previous prime is 7068389. The next prime is 7068421. The reversal of 7068390 is 938607.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20197 + ... + 20543.

It is an arithmetic number, because the mean of its divisors is an integer number (306936).

Almost surely, 2^7068390 is an apocalyptic number.

7068390 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7068390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9821952).

7068390 is an abundant number, since it is smaller than the sum of its proper divisors (12575514).

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

7068390 is a wasteful number, since it uses less digits than its factorization.

7068390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 7068390 is about 2658.6443914145. The cubic root of 7068390 is about 191.9140783085.

The spelling of 7068390 in words is "seven million, sixty-eight thousand, three hundred ninety".