69864982 has 16 divisors (see below), whose sum is σ = 115087104. Its totient is φ = 31545000.

The previous prime is 69864959. The next prime is 69864989. The reversal of 69864982 is 28946896.

It is a super-2 number, since 2×69864982² = 9762231419720648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69864989) 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, 7194 + ... + 13837.

It is an arithmetic number, because the mean of its divisors is an integer number (7192944).

Almost surely, 2^69864982 is an apocalyptic number.

69864982 is a deficient number, since it is larger than the sum of its proper divisors (45222122).

69864982 is a wasteful number, since it uses less digits than its factorization.

69864982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21195.

The product of its digits is 1492992, while the sum is 52.

The square root of 69864982 is about 8358.5275018989. The cubic root of 69864982 is about 411.8633843396.

The spelling of 69864982 in words is "sixty-nine million, eight hundred sixty-four thousand, nine hundred eighty-two".