69998812 has 24 divisors (see below), whose sum is σ = 138866000. Its totient is φ = 30606336.

The previous prime is 69998801. The next prime is 69998813. The reversal of 69998812 is 21889996.

It is a super-2 number, since 2×69998812² = 9799667362822688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 69998812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69998813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34437 + ... + 36412.

Almost surely, 2^69998812 is an apocalyptic number.

It is an amenable number.

69998812 is a deficient number, since it is larger than the sum of its proper divisors (68867188).

69998812 is a wasteful number, since it uses less digits than its factorization.

69998812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70885 (or 70883 counting only the distinct ones).

The product of its digits is 559872, while the sum is 52.

The square root of 69998812 is about 8366.5292684601. The cubic root of 69998812 is about 412.1261984977.

The spelling of 69998812 in words is "sixty-nine million, nine hundred ninety-eight thousand, eight hundred twelve".