68764771 has 8 divisors (see below), whose sum is σ = 71438400. Its totient is φ = 66111360.

The previous prime is 68764763. The next prime is 68764793. The reversal of 68764771 is 17746786.

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

It is a cyclic number.

It is not a de Polignac number, because 68764771 - 2³ = 68764763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68764741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2070 + ... + 11908.

It is an arithmetic number, because the mean of its divisors is an integer number (8929800).

Almost surely, 2^68764771 is an apocalyptic number.

68764771 is a deficient number, since it is larger than the sum of its proper divisors (2673629).

68764771 is a wasteful number, since it uses less digits than its factorization.

68764771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10109.

The product of its digits is 395136, while the sum is 46.

The square root of 68764771 is about 8292.4526528645. The cubic root of 68764771 is about 409.6899718527.

The spelling of 68764771 in words is "sixty-eight million, seven hundred sixty-four thousand, seven hundred seventy-one".