68906771 has 8 divisors (see below), whose sum is σ = 69742080. Its totient is φ = 68076288.

The previous prime is 68906743. The next prime is 68906791. The reversal of 68906771 is 17760986.

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 68906771 - 2¹⁴ = 68890387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68906701) 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, 33155 + ... + 35171.

It is an arithmetic number, because the mean of its divisors is an integer number (8717760).

Almost surely, 2^68906771 is an apocalyptic number.

68906771 is a deficient number, since it is larger than the sum of its proper divisors (835309).

68906771 is a wasteful number, since it uses less digits than its factorization.

68906771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 68906771 is about 8301.0102397238. The cubic root of 68906771 is about 409.9717827100.

The spelling of 68906771 in words is "sixty-eight million, nine hundred six thousand, seven hundred seventy-one".