69984371 has 4 divisors (see below), whose sum is σ = 70099152. Its totient is φ = 69869592.

The previous prime is 69984347. The next prime is 69984373. The reversal of 69984371 is 17348996.

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 69984371 - 2¹⁴ = 69967987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69984373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56471 + ... + 57696.

It is an arithmetic number, because the mean of its divisors is an integer number (17524788).

Almost surely, 2^69984371 is an apocalyptic number.

69984371 is a deficient number, since it is larger than the sum of its proper divisors (114781).

69984371 is a wasteful number, since it uses less digits than its factorization.

69984371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114780.

The product of its digits is 326592, while the sum is 47.

The square root of 69984371 is about 8365.6662018037. Note that the first 3 decimals coincide. The cubic root of 69984371 is about 412.0978555226.

The spelling of 69984371 in words is "sixty-nine million, nine hundred eighty-four thousand, three hundred seventy-one".