30742299 has 12 divisors (see below), whose sum is σ = 50749296. Its totient is φ = 17566992.

The previous prime is 30742259. The next prime is 30742303. The reversal of 30742299 is 99224703.

It is not a de Polignac number, because 30742299 - 2²⁰ = 29693723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30742249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243924 + ... + 244049.

It is an arithmetic number, because the mean of its divisors is an integer number (4229108).

Almost surely, 2^30742299 is an apocalyptic number.

30742299 is a deficient number, since it is larger than the sum of its proper divisors (20006997).

30742299 is a wasteful number, since it uses less digits than its factorization.

30742299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487986 (or 487983 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 30742299 is about 5544.5738339389. The cubic root of 30742299 is about 313.2651721612.

The spelling of 30742299 in words is "thirty million, seven hundred forty-two thousand, two hundred ninety-nine".