30826769 has 4 divisors (see below), whose sum is σ = 30847344. Its totient is φ = 30806196.

The previous prime is 30826751. The next prime is 30826799. The reversal of 30826769 is 96762803.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30826769 - 2²⁰ = 29778193 is a prime.

It is a super-2 number, since 2×30826769² = 1900579373958722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30826799) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7847 + ... + 11100.

It is an arithmetic number, because the mean of its divisors is an integer number (7711836).

Almost surely, 2^30826769 is an apocalyptic number.

It is an amenable number.

30826769 is a deficient number, since it is larger than the sum of its proper divisors (20575).

30826769 is a wasteful number, since it uses less digits than its factorization.

30826769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20574.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 30826769 is about 5552.1859659057. The cubic root of 30826769 is about 313.5518272581.

The spelling of 30826769 in words is "thirty million, eight hundred twenty-six thousand, seven hundred sixty-nine".