30744009 has 8 divisors (see below), whose sum is σ = 45546720. Its totient is φ = 20495988.

The previous prime is 30744001. The next prime is 30744013. The reversal of 30744009 is 90044703.

It is not a de Polignac number, because 30744009 - 2³ = 30744001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1138667 = 30744009 / (3 + 0 + 7 + 4 + 4 + 0 + 0 + 9).

It is not an unprimeable number, because it can be changed into a prime (30744001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569307 + ... + 569360.

It is an arithmetic number, because the mean of its divisors is an integer number (5693340).

Almost surely, 2^30744009 is an apocalyptic number.

It is an amenable number.

30744009 is a deficient number, since it is larger than the sum of its proper divisors (14802711).

30744009 is a wasteful number, since it uses less digits than its factorization.

30744009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138676 (or 1138670 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 30744009 is about 5544.7280366128. The cubic root of 30744009 is about 313.2709803747.

The spelling of 30744009 in words is "thirty million, seven hundred forty-four thousand, nine".