30760769 has 16 divisors (see below), whose sum is σ = 35315280. Its totient is φ = 26542080.

The previous prime is 30760721. The next prime is 30760799. The reversal of 30760769 is 96706703.

It can be written as a sum of positive squares in 8 ways, for example, as 5640625 + 25120144 = 2375^2 + 5012^2 .

It is a cyclic number.

It is not a de Polignac number, because 30760769 - 2¹⁶ = 30695233 is a prime.

It is a super-2 number, since 2×30760769² = 1892449818942722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30760799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39617 + ... + 40385.

It is an arithmetic number, because the mean of its divisors is an integer number (2207205).

Almost surely, 2^30760769 is an apocalyptic number.

It is an amenable number.

30760769 is a deficient number, since it is larger than the sum of its proper divisors (4554511).

30760769 is a wasteful number, since it uses less digits than its factorization.

30760769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980.

The product of its (nonzero) digits is 47628, while the sum is 38.

The square root of 30760769 is about 5546.2391762346. The cubic root of 30760769 is about 313.3278962640.

The spelling of 30760769 in words is "thirty million, seven hundred sixty thousand, seven hundred sixty-nine".