30740829 has 32 divisors (see below), whose sum is σ = 48829440. Its totient is φ = 16837632.

The previous prime is 30740819. The next prime is 30740833. The reversal of 30740829 is 92804703.

30740829 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 30740829 - 2⁴ = 30740813 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30740829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30740819) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 52989 + ... + 53565.

It is an arithmetic number, because the mean of its divisors is an integer number (1525920).

Almost surely, 2^30740829 is an apocalyptic number.

It is an amenable number.

30740829 is a deficient number, since it is larger than the sum of its proper divisors (18088611).

30740829 is a wasteful number, since it uses less digits than its factorization.

30740829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 30740829 is about 5544.4412703175. The cubic root of 30740829 is about 313.2601789633.

The spelling of 30740829 in words is "thirty million, seven hundred forty thousand, eight hundred twenty-nine".