68693420 has 12 divisors (see below), whose sum is σ = 144256224. Its totient is φ = 27477360.

The previous prime is 68693419. The next prime is 68693437. The reversal of 68693420 is 2439686.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1717316 + ... + 1717355.

It is an arithmetic number, because the mean of its divisors is an integer number (12021352).

Almost surely, 2^68693420 is an apocalyptic number.

It is an amenable number.

68693420 is an abundant number, since it is smaller than the sum of its proper divisors (75562804).

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

68693420 is a wasteful number, since it uses less digits than its factorization.

68693420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434680 (or 3434678 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 68693420 is about 8288.1493712408. The cubic root of 68693420 is about 409.5482233722.

The spelling of 68693420 in words is "sixty-eight million, six hundred ninety-three thousand, four hundred twenty".