69806745 has 16 divisors (see below), whose sum is σ = 124101120. Its totient is φ = 37230192.

The previous prime is 69806731. The next prime is 69806801. The reversal of 69806745 is 54760896.

It is not a de Polignac number, because 69806745 - 2¹⁰ = 69805721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 69806745.

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 15 ways as a sum of consecutive naturals, for example, 258409 + ... + 258678.

It is an arithmetic number, because the mean of its divisors is an integer number (7756320).

Almost surely, 2^69806745 is an apocalyptic number.

It is an amenable number.

69806745 is a deficient number, since it is larger than the sum of its proper divisors (54294375).

69806745 is a wasteful number, since it uses less digits than its factorization.

69806745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517101 (or 517095 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 69806745 is about 8355.0430878602. The cubic root of 69806745 is about 411.7489142343.

The spelling of 69806745 in words is "sixty-nine million, eight hundred six thousand, seven hundred forty-five".