69404321 has 16 divisors (see below), whose sum is σ = 83727360. Its totient is φ = 56201040.

The previous prime is 69404303. The next prime is 69404327. The reversal of 69404321 is 12340496.

It is a de Polignac number, because none of the positive numbers 2^k-69404321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69404327) 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, 83510 + ... + 84336.

It is an arithmetic number, because the mean of its divisors is an integer number (5232960).

Almost surely, 2^69404321 is an apocalyptic number.

It is an amenable number.

69404321 is a deficient number, since it is larger than the sum of its proper divisors (14323039).

69404321 is a wasteful number, since it uses less digits than its factorization.

69404321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 69404321 is about 8330.9255788298. The cubic root of 69404321 is about 410.9561681323.

The spelling of 69404321 in words is "sixty-nine million, four hundred four thousand, three hundred twenty-one".