6969745 has 16 divisors (see below), whose sum is σ = 8926848. Its totient is φ = 5205760.

The previous prime is 6969733. The next prime is 6969757. The reversal of 6969745 is 5479696.

It is an interprime number because it is at equal distance from previous prime (6969733) and next prime (6969757).

It is not a de Polignac number, because 6969745 - 2¹⁵ = 6936977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6969695 and 6969704.

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, 13950 + ... + 14440.

It is an arithmetic number, because the mean of its divisors is an integer number (557928).

Almost surely, 2^6969745 is an apocalyptic number.

6969745 is the 1670-th heptagonal number.

It is an amenable number.

6969745 is a deficient number, since it is larger than the sum of its proper divisors (1957103).

6969745 is a wasteful number, since it uses less digits than its factorization.

6969745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680.

The product of its digits is 408240, while the sum is 46.

The square root of 6969745 is about 2640.0274619784. The cubic root of 6969745 is about 191.0171215338.

The spelling of 6969745 in words is "six million, nine hundred sixty-nine thousand, seven hundred forty-five".