3069731 has 4 divisors (see below), whose sum is σ = 3508272. Its totient is φ = 2631192.

The previous prime is 3069683. The next prime is 3069743. The reversal of 3069731 is 1379603.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3069731 - 2⁶ = 3069667 is a prime.

It is a super-2 number, since 2×3069731² = 18846496824722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3069694 and 3069703.

It is not an unprimeable number, because it can be changed into a prime (3069791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219260 + ... + 219273.

It is an arithmetic number, because the mean of its divisors is an integer number (877068).

Almost surely, 2^3069731 is an apocalyptic number.

3069731 is a deficient number, since it is larger than the sum of its proper divisors (438541).

3069731 is an equidigital number, since it uses as much as digits as its factorization.

3069731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438540.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 3069731 is about 1752.0647819073. The cubic root of 3069731 is about 145.3338482760. Note that the first 3 decimals are identical.

The spelling of 3069731 in words is "three million, sixty-nine thousand, seven hundred thirty-one".