30799769 has 32 divisors (see below), whose sum is σ = 42819840. Its totient is φ = 21369600.

The previous prime is 30799763. The next prime is 30799793. The reversal of 30799769 is 96799703.

It is a happy number.

It is not a de Polignac number, because 30799769 - 2¹² = 30795673 is a prime.

It is a super-2 number, since 2×30799769² = 1897251540906722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30799763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28499 + ... + 29559.

It is an arithmetic number, because the mean of its divisors is an integer number (1338120).

Almost surely, 2^30799769 is an apocalyptic number.

It is an amenable number.

30799769 is a deficient number, since it is larger than the sum of its proper divisors (12020071).

30799769 is a wasteful number, since it uses less digits than its factorization.

30799769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121.

The product of its (nonzero) digits is 642978, while the sum is 50.

The square root of 30799769 is about 5549.7539585102. The cubic root of 30799769 is about 313.4602577936.

The spelling of 30799769 in words is "thirty million, seven hundred ninety-nine thousand, seven hundred sixty-nine".