68522971 has 8 divisors (see below), whose sum is σ = 79149744. Its totient is φ = 58629120.

The previous prime is 68522953. The next prime is 68522999. The reversal of 68522971 is 17922586.

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

It is not a de Polignac number, because 68522971 - 2²¹ = 66425819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68522921) 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, 183030 + ... + 183403.

It is an arithmetic number, because the mean of its divisors is an integer number (9893718).

Almost surely, 2^68522971 is an apocalyptic number.

68522971 is a deficient number, since it is larger than the sum of its proper divisors (10626773).

68522971 is a wasteful number, since it uses less digits than its factorization.

68522971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366461.

The product of its digits is 60480, while the sum is 40.

The square root of 68522971 is about 8277.8602911622. The cubic root of 68522971 is about 409.2092054464.

The spelling of 68522971 in words is "sixty-eight million, five hundred twenty-two thousand, nine hundred seventy-one".