69642834 has 16 divisors (see below), whose sum is σ = 139382688. Its totient is φ = 23198112.

The previous prime is 69642821. The next prime is 69642851. The reversal of 69642834 is 43824696.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8094 + ... + 14310.

It is an arithmetic number, because the mean of its divisors is an integer number (8711418).

Almost surely, 2^69642834 is an apocalyptic number.

69642834 is an abundant number, since it is smaller than the sum of its proper divisors (69739854).

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

69642834 is a wasteful number, since it uses less digits than its factorization.

69642834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8089.

The product of its digits is 248832, while the sum is 42.

The square root of 69642834 is about 8345.2282173707. The cubic root of 69642834 is about 411.4263901519.

The spelling of 69642834 in words is "sixty-nine million, six hundred forty-two thousand, eight hundred thirty-four".