30764969 has 4 divisors (see below), whose sum is σ = 31825860. Its totient is φ = 29704080.

The previous prime is 30764953. The next prime is 30764977. The reversal of 30764969 is 96946703.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22992025 + 7772944 = 4795^2 + 2788^2 .

It is a cyclic number.

It is not a de Polignac number, because 30764969 - 2⁴ = 30764953 is a prime.

It is a super-2 number, since 2×30764969² = 1892966635141922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30764999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530402 + ... + 530459.

It is an arithmetic number, because the mean of its divisors is an integer number (7956465).

Almost surely, 2^30764969 is an apocalyptic number.

It is an amenable number.

30764969 is a deficient number, since it is larger than the sum of its proper divisors (1060891).

30764969 is a wasteful number, since it uses less digits than its factorization.

30764969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060890.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 30764969 is about 5546.6177982623. The cubic root of 30764969 is about 313.3421559560.

The spelling of 30764969 in words is "thirty million, seven hundred sixty-four thousand, nine hundred sixty-nine".