68970471 has 4 divisors (see below), whose sum is σ = 91960632. Its totient is φ = 45980312.

The previous prime is 68970463. The next prime is 68970509. The reversal of 68970471 is 17407986.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68970471 - 2³ = 68970463 is a prime.

It is a super-3 number, since 3×68970471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68970431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11495076 + ... + 11495081.

It is an arithmetic number, because the mean of its divisors is an integer number (22990158).

Almost surely, 2^68970471 is an apocalyptic number.

68970471 is a deficient number, since it is larger than the sum of its proper divisors (22990161).

68970471 is a wasteful number, since it uses less digits than its factorization.

68970471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22990160.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 68970471 is about 8304.8462357831. The cubic root of 68970471 is about 410.0980748921.

The spelling of 68970471 in words is "sixty-eight million, nine hundred seventy thousand, four hundred seventy-one".