69884013 has 16 divisors (see below), whose sum is σ = 96444416. Its totient is φ = 44964720.

The previous prime is 69883999. The next prime is 69884029. The reversal of 69884013 is 31048896.

It is not a de Polignac number, because 69884013 - 2⁸ = 69883757 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69883013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44520 + ... + 46062.

It is an arithmetic number, because the mean of its divisors is an integer number (6027776).

Almost surely, 2^69884013 is an apocalyptic number.

It is an amenable number.

69884013 is a deficient number, since it is larger than the sum of its proper divisors (26560403).

69884013 is a wasteful number, since it uses less digits than its factorization.

69884013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 69884013 is about 8359.6658426040. The cubic root of 69884013 is about 411.9007777054.

The spelling of 69884013 in words is "sixty-nine million, eight hundred eighty-four thousand, thirteen".