68799405 has 16 divisors (see below), whose sum is σ = 110185920. Its totient is φ = 36657408.

The previous prime is 68799377. The next prime is 68799413. The reversal of 68799405 is 50499786.

It is not a de Polignac number, because 68799405 - 2⁵ = 68799373 is a prime.

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, 22869 + ... + 25701.

It is an arithmetic number, because the mean of its divisors is an integer number (6886620).

Almost surely, 2^68799405 is an apocalyptic number.

It is an amenable number.

68799405 is a deficient number, since it is larger than the sum of its proper divisors (41386515).

68799405 is a wasteful number, since it uses less digits than its factorization.

68799405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 68799405 is about 8294.5406744436. The cubic root of 68799405 is about 409.7587416640.

The spelling of 68799405 in words is "sixty-eight million, seven hundred ninety-nine thousand, four hundred five".