69945994 has 8 divisors (see below), whose sum is σ = 105107040. Its totient is φ = 34910316.

The previous prime is 69945991. The next prime is 69946001. The reversal of 69945994 is 49954996.

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

It is not an unprimeable number, because it can be changed into a prime (69945991) 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 3 ways as a sum of consecutive naturals, for example, 29934 + ... + 32185.

It is an arithmetic number, because the mean of its divisors is an integer number (13138380).

Almost surely, 2^69945994 is an apocalyptic number.

69945994 is a deficient number, since it is larger than the sum of its proper divisors (35161046).

69945994 is a wasteful number, since it uses less digits than its factorization.

69945994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62684.

The product of its digits is 3149280, while the sum is 55.

The square root of 69945994 is about 8363.3721667758. The cubic root of 69945994 is about 412.0225150294.

The spelling of 69945994 in words is "sixty-nine million, nine hundred forty-five thousand, nine hundred ninety-four".