69949894 has 8 divisors (see below), whose sum is σ = 119914128. Its totient is φ = 29978520.

The previous prime is 69949889. The next prime is 69949897. The reversal of 69949894 is 49894996.

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

It is a super-2 number, since 2×69949894² = 9785975341222472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69949897) by changing a digit.

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, 2498197 + ... + 2498224.

It is an arithmetic number, because the mean of its divisors is an integer number (14989266).

Almost surely, 2^69949894 is an apocalyptic number.

69949894 is a deficient number, since it is larger than the sum of its proper divisors (49964234).

69949894 is a wasteful number, since it uses less digits than its factorization.

69949894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4996430.

The product of its digits is 5038848, while the sum is 58.

The square root of 69949894 is about 8363.6053230649. The cubic root of 69949894 is about 412.0301726418.

The spelling of 69949894 in words is "sixty-nine million, nine hundred forty-nine thousand, eight hundred ninety-four".