69140635 has 8 divisors (see below), whose sum is σ = 83519136. Its totient is φ = 54945600.

The previous prime is 69140627. The next prime is 69140641. The reversal of 69140635 is 53604196.

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

It is not a de Polignac number, because 69140635 - 2³ = 69140627 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 69140635.

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, 45034 + ... + 46543.

It is an arithmetic number, because the mean of its divisors is an integer number (10439892).

Almost surely, 2^69140635 is an apocalyptic number.

69140635 is a deficient number, since it is larger than the sum of its proper divisors (14378501).

69140635 is a wasteful number, since it uses less digits than its factorization.

69140635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91733.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 69140635 is about 8315.0847860981. The cubic root of 69140635 is about 410.4350626687.

The spelling of 69140635 in words is "sixty-nine million, one hundred forty thousand, six hundred thirty-five".