30740809 has 8 divisors (see below), whose sum is σ = 34617600. Its totient is φ = 27044400.

The previous prime is 30740807. The next prime is 30740813. The reversal of 30740809 is 90804703.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30740809 - 2¹ = 30740807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30740807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44734 + ... + 45415.

It is an arithmetic number, because the mean of its divisors is an integer number (4327200).

Almost surely, 2^30740809 is an apocalyptic number.

It is an amenable number.

30740809 is a deficient number, since it is larger than the sum of its proper divisors (3876791).

30740809 is a wasteful number, since it uses less digits than its factorization.

30740809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90191.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 30740809 is about 5544.4394667090. The cubic root of 30740809 is about 313.2601110276.

The spelling of 30740809 in words is "thirty million, seven hundred forty thousand, eight hundred nine".