69004136 has 8 divisors (see below), whose sum is σ = 129382770. Its totient is φ = 34502064.

The previous prime is 69004127. The next prime is 69004157. The reversal of 69004136 is 63140096.

It can be written as a sum of positive squares in only one way, i.e., 37576900 + 31427236 = 6130^2 + 5606^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 69004099 and 69004108.

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 as a sum of consecutive naturals, namely, 4312751 + ... + 4312766.

Almost surely, 2^69004136 is an apocalyptic number.

It is an amenable number.

69004136 is a deficient number, since it is larger than the sum of its proper divisors (60378634).

69004136 is a wasteful number, since it uses less digits than its factorization.

69004136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8625523 (or 8625519 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 69004136 is about 8306.8728171316. The cubic root of 69004136 is about 410.1647880126.

The spelling of 69004136 in words is "sixty-nine million, four thousand, one hundred thirty-six".