30140634 has 16 divisors (see below), whose sum is σ = 60370560. Its totient is φ = 10032000.

The previous prime is 30140629. The next prime is 30140639. The reversal of 30140634 is 43604103.

It is an interprime number because it is at equal distance from previous prime (30140629) and next prime (30140639).

It is a self number, because there is not a number n which added to its sum of digits gives 30140634.

It is not an unprimeable number, because it can be changed into a prime (30140639) 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, 1162 + ... + 7850.

It is an arithmetic number, because the mean of its divisors is an integer number (3773160).

Almost surely, 2^30140634 is an apocalyptic number.

30140634 is an abundant number, since it is smaller than the sum of its proper divisors (30229926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30140634 is a wasteful number, since it uses less digits than its factorization.

30140634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7445.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 30140634 is about 5490.0486336644. The cubic root of 30140634 is about 311.2080300177.

Adding to 30140634 its reverse (43604103), we get a palindrome (73744737).

The spelling of 30140634 in words is "thirty million, one hundred forty thousand, six hundred thirty-four".