69479975 has 12 divisors (see below), whose sum is σ = 86258616. Its totient is φ = 55517280.

The previous prime is 69479939. The next prime is 69479981. The reversal of 69479975 is 57997496.

It is not a de Polignac number, because 69479975 - 2¹⁶ = 69414439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69479975.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39464 + ... + 41186.

It is an arithmetic number, because the mean of its divisors is an integer number (7188218).

Almost surely, 2^69479975 is an apocalyptic number.

69479975 is a deficient number, since it is larger than the sum of its proper divisors (16778641).

69479975 is a wasteful number, since it uses less digits than its factorization.

69479975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346 (or 3341 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 56.

The square root of 69479975 is about 8335.4648940536. The cubic root of 69479975 is about 411.1054344778.

The spelling of 69479975 in words is "sixty-nine million, four hundred seventy-nine thousand, nine hundred seventy-five".