69899994 has 12 divisors (see below), whose sum is σ = 151450026. Its totient is φ = 23299992.

The previous prime is 69899989. The next prime is 69900041. The reversal of 69899994 is 49999896.

It can be written as a sum of positive squares in only one way, i.e., 67026969 + 2873025 = 8187^2 + 1695^2 .

It is a super-2 number, since 2×69899994² = 9772018322400072, 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 5 ways as a sum of consecutive naturals, for example, 1941649 + ... + 1941684.

Almost surely, 2^69899994 is an apocalyptic number.

69899994 is an abundant number, since it is smaller than the sum of its proper divisors (81550032).

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

69899994 is a wasteful number, since it uses less digits than its factorization.

69899994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883341 (or 3883338 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 63.

The square root of 69899994 is about 8360.6216276064. The cubic root of 69899994 is about 411.9321729862.

The spelling of 69899994 in words is "sixty-nine million, eight hundred ninety-nine thousand, nine hundred ninety-four".