69999982 has 16 divisors (see below), whose sum is σ = 119729232. Its totient is φ = 30407040.

The previous prime is 69999973. The next prime is 69999989. The reversal of 69999982 is 28999996.

It is a self number, because there is not a number n which added to its sum of digits gives 69999982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69999989) 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 7 ways as a sum of consecutive naturals, for example, 78744 + ... + 79627.

It is an arithmetic number, because the mean of its divisors is an integer number (7483077).

Almost surely, 2^69999982 is an apocalyptic number.

69999982 is a deficient number, since it is larger than the sum of its proper divisors (49729250).

69999982 is a wasteful number, since it uses less digits than its factorization.

69999982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158403.

The product of its digits is 5668704, while the sum is 61.

The square root of 69999982 is about 8366.5991896349. The cubic root of 69999982 is about 412.1284946556.

The spelling of 69999982 in words is "sixty-nine million, nine hundred ninety-nine thousand, nine hundred eighty-two".