69000018 has 8 divisors (see below), whose sum is σ = 138000048. Its totient is φ = 23000004.

The previous prime is 68999981. The next prime is 69000047. The reversal of 69000018 is 81000096.

It is a sphenic number, since it is the product of 3 distinct primes.

69000018 is an admirable number.

It is a super-2 number, since 2×69000018² = 9522004968000648, which contains 22 as substring.

It is an unprimeable number.

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, 5749996 + ... + 5750007.

It is an arithmetic number, because the mean of its divisors is an integer number (17250006).

Almost surely, 2^69000018 is an apocalyptic number.

69000018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69000018 is a wasteful number, since it uses less digits than its factorization.

69000018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11500008.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 69000018 is about 8306.6249463907. The cubic root of 69000018 is about 410.1566286360.

The spelling of 69000018 in words is "sixty-nine million, eighteen", and thus it is an aban number and an uban number.