69765005 has 8 divisors (see below), whose sum is σ = 84865272. Its totient is φ = 55047168.

The previous prime is 69764999. The next prime is 69765011. The reversal of 69765005 is 50056796.

It is an interprime number because it is at equal distance from previous prime (69764999) and next prime (69765011).

It can be written as a sum of positive squares in 4 ways, for example, as 4268356 + 65496649 = 2066^2 + 8093^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 69765005 - 2¹⁸ = 69502861 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 69765005.

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 7 ways as a sum of consecutive naturals, for example, 95204 + ... + 95933.

It is an arithmetic number, because the mean of its divisors is an integer number (10608159).

Almost surely, 2^69765005 is an apocalyptic number.

It is an amenable number.

69765005 is a deficient number, since it is larger than the sum of its proper divisors (15100267).

69765005 is a wasteful number, since it uses less digits than its factorization.

69765005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191215.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 69765005 is about 8352.5448217893. The cubic root of 69765005 is about 411.6668313053. Note that the first 3 decimals are identical.

The spelling of 69765005 in words is "sixty-nine million, seven hundred sixty-five thousand, five".