69042975 has 24 divisors (see below), whose sum is σ = 116940432. Its totient is φ = 35923200.

The previous prime is 69042973. The next prime is 69042989. The reversal of 69042975 is 57924096.

It is not a de Polignac number, because 69042975 - 2¹ = 69042973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69042973) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 8152 + ... + 14301.

It is an arithmetic number, because the mean of its divisors is an integer number (4872518).

Almost surely, 2^69042975 is an apocalyptic number.

69042975 is a deficient number, since it is larger than the sum of its proper divisors (47897457).

69042975 is a wasteful number, since it uses less digits than its factorization.

69042975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22507 (or 22502 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 69042975 is about 8309.2102512814. The cubic root of 69042975 is about 410.2417273733.

The spelling of 69042975 in words is "sixty-nine million, forty-two thousand, nine hundred seventy-five".