68774905 has 8 divisors (see below), whose sum is σ = 82574784. Its totient is φ = 54990000.

The previous prime is 68774873. The next prime is 68774929. The reversal of 68774905 is 50947786.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68774905 - 2⁵ = 68774873 is a prime.

It is a super-3 number, since 3×68774905³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14140 + ... + 18370.

It is an arithmetic number, because the mean of its divisors is an integer number (10321848).

Almost surely, 2^68774905 is an apocalyptic number.

It is an amenable number.

68774905 is a deficient number, since it is larger than the sum of its proper divisors (13799879).

68774905 is a wasteful number, since it uses less digits than its factorization.

68774905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7487.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 68774905 is about 8293.0636679095. The cubic root of 68774905 is about 409.7100964707.

The spelling of 68774905 in words is "sixty-eight million, seven hundred seventy-four thousand, nine hundred five".