30772105 has 16 divisors (see below), whose sum is σ = 45448704. Its totient is φ = 19477440.

The previous prime is 30772097. The next prime is 30772111. The reversal of 30772105 is 50127703.

It is not a de Polignac number, because 30772105 - 2³ = 30772097 is a prime.

It is a super-2 number, since 2×30772105² = 1893844892262050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30772105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33361 + ... + 34270.

It is an arithmetic number, because the mean of its divisors is an integer number (2840544).

Almost surely, 2^30772105 is an apocalyptic number.

30772105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30772105 is a deficient number, since it is larger than the sum of its proper divisors (14676599).

30772105 is a wasteful number, since it uses less digits than its factorization.

30772105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67656.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 30772105 is about 5547.2610358627. The cubic root of 30772105 is about 313.3663808763.

Adding to 30772105 its reverse (50127703), we get a palindrome (80899808).

The spelling of 30772105 in words is "thirty million, seven hundred seventy-two thousand, one hundred five".