69090973 has 16 divisors (see below), whose sum is σ = 83653120. Its totient is φ = 55742256.

The previous prime is 69090953. The next prime is 69090997. The reversal of 69090973 is 37909096.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69090973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69090953) 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, 20086 + ... + 23272.

It is an arithmetic number, because the mean of its divisors is an integer number (5228320).

Almost surely, 2^69090973 is an apocalyptic number.

It is an amenable number.

69090973 is a deficient number, since it is larger than the sum of its proper divisors (14562147).

69090973 is a wasteful number, since it uses less digits than its factorization.

69090973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 69090973 is about 8312.0979902790. The cubic root of 69090973 is about 410.3367706960.

The spelling of 69090973 in words is "sixty-nine million, ninety thousand, nine hundred seventy-three".