30770769 has 8 divisors (see below), whose sum is σ = 42442560. Its totient is φ = 19806416.

The previous prime is 30770749. The next prime is 30770777. The reversal of 30770769 is 96707703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30770769 - 2¹⁹ = 30246481 is a prime.

It is a super-2 number, since 2×30770769² = 1893680449702722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30770749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176757 + ... + 176930.

It is an arithmetic number, because the mean of its divisors is an integer number (5305320).

Almost surely, 2^30770769 is an apocalyptic number.

It is an amenable number.

30770769 is a deficient number, since it is larger than the sum of its proper divisors (11671791).

30770769 is a wasteful number, since it uses less digits than its factorization.

30770769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353719.

The product of its (nonzero) digits is 55566, while the sum is 39.

The square root of 30770769 is about 5547.1406147672. The cubic root of 30770769 is about 313.3618457782.

The spelling of 30770769 in words is "thirty million, seven hundred seventy thousand, seven hundred sixty-nine".