68379830 has 32 divisors (see below), whose sum is σ = 127488384. Its totient is φ = 26390016.

The previous prime is 68379827. The next prime is 68379863. The reversal of 68379830 is 3897386.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33314 + ... + 35306.

It is an arithmetic number, because the mean of its divisors is an integer number (3984012).

Almost surely, 2^68379830 is an apocalyptic number.

68379830 is a deficient number, since it is larger than the sum of its proper divisors (59108554).

68379830 is a wasteful number, since it uses less digits than its factorization.

68379830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 68379830 is about 8269.2097566817. The cubic root of 68379830 is about 408.9240677381.

The spelling of 68379830 in words is "sixty-eight million, three hundred seventy-nine thousand, eight hundred thirty".