30740294 has 16 divisors (see below), whose sum is σ = 50101632. Its totient is φ = 14060928.

The previous prime is 30740293. The next prime is 30740317. The reversal of 30740294 is 49204703.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30740291) 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 7 ways as a sum of consecutive naturals, for example, 2294 + ... + 8169.

It is an arithmetic number, because the mean of its divisors is an integer number (3131352).

Almost surely, 2^30740294 is an apocalyptic number.

30740294 is a deficient number, since it is larger than the sum of its proper divisors (19361338).

30740294 is a wasteful number, since it uses less digits than its factorization.

30740294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10591.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 30740294 is about 5544.3930235870. The cubic root of 30740294 is about 313.2583616715.

Adding to 30740294 its reverse (49204703), we get a palindrome (79944997).

The spelling of 30740294 in words is "thirty million, seven hundred forty thousand, two hundred ninety-four".