69921434 has 16 divisors (see below), whose sum is σ = 114768576. Its totient is φ = 31684800.

The previous prime is 69921419. The next prime is 69921473. The reversal of 69921434 is 43412996.

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 7 ways as a sum of consecutive naturals, for example, 2699 + ... + 12129.

It is an arithmetic number, because the mean of its divisors is an integer number (7173036).

Almost surely, 2^69921434 is an apocalyptic number.

69921434 is a deficient number, since it is larger than the sum of its proper divisors (44847142).

69921434 is a wasteful number, since it uses less digits than its factorization.

69921434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9781.

The product of its digits is 46656, while the sum is 38.

The square root of 69921434 is about 8361.9037306106. The cubic root of 69921434 is about 411.9742851641.

The spelling of 69921434 in words is "sixty-nine million, nine hundred twenty-one thousand, four hundred thirty-four".