69999442 has 24 divisors (see below), whose sum is σ = 112307904. Its totient is φ = 32659704.

The previous prime is 69999409. The next prime is 69999443. The reversal of 69999442 is 24499996.

It is a super-2 number, since 2×69999442² = 9799843760622728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69999442.

It is not an unprimeable number, because it can be changed into a prime (69999443) 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 11 ways as a sum of consecutive naturals, for example, 84643 + ... + 85465.

It is an arithmetic number, because the mean of its divisors is an integer number (4679496).

Almost surely, 2^69999442 is an apocalyptic number.

69999442 is a deficient number, since it is larger than the sum of its proper divisors (42308462).

69999442 is a wasteful number, since it uses less digits than its factorization.

69999442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934 (or 891 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 52.

The square root of 69999442 is about 8366.5669183961. The cubic root of 69999442 is about 412.1274348936.

The spelling of 69999442 in words is "sixty-nine million, nine hundred ninety-nine thousand, four hundred forty-two".