30070769 has 8 divisors (see below), whose sum is σ = 30915432. Its totient is φ = 29236480.

The previous prime is 30070727. The next prime is 30070771. The reversal of 30070769 is 96707003.

It can be written as a sum of positive squares in 4 ways, for example, as 4950625 + 25120144 = 2225^2 + 5012^2 .

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 30070769 - 2²⁰ = 29022193 is a prime.

It is a super-2 number, since 2×30070769² = 1808502296502722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30070169) 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, 3479 + ... + 8499.

It is an arithmetic number, because the mean of its divisors is an integer number (3864429).

Almost surely, 2^30070769 is an apocalyptic number.

It is an amenable number.

30070769 is a deficient number, since it is larger than the sum of its proper divisors (844663).

30070769 is a wasteful number, since it uses less digits than its factorization.

30070769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5187.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 30070769 is about 5483.6820659116. The cubic root of 30070769 is about 310.9673873227.

The spelling of 30070769 in words is "thirty million, seventy thousand, seven hundred sixty-nine".