30006769 has 4 divisors (see below), whose sum is σ = 32314996. Its totient is φ = 27698544.

The previous prime is 30006763. The next prime is 30006827. The reversal of 30006769 is 96760003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96760003 = 4253 ⋅22751.

It can be written as a sum of positive squares in 2 ways, for example, as 18173169 + 11833600 = 4263^2 + 3440^2 .

It is a cyclic number.

It is not a de Polignac number, because 30006769 - 2⁵ = 30006737 is a prime.

It is a super-2 number, since 2×30006769² = 1800812371638722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30006769.

It is not an unprimeable number, because it can be changed into a prime (30006763) 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, 1154094 + ... + 1154119.

It is an arithmetic number, because the mean of its divisors is an integer number (8078749).

Almost surely, 2^30006769 is an apocalyptic number.

It is an amenable number.

30006769 is a deficient number, since it is larger than the sum of its proper divisors (2308227).

30006769 is a wasteful number, since it uses less digits than its factorization.

30006769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308226.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 30006769 is about 5477.8434625316. The cubic root of 30006769 is about 310.7466186789.

The spelling of 30006769 in words is "thirty million, six thousand, seven hundred sixty-nine".