30745422 has 12 divisors (see below), whose sum is σ = 66615120. Its totient is φ = 10248468.

The previous prime is 30745417. The next prime is 30745427. The reversal of 30745422 is 22454703.

It is an interprime number because it is at equal distance from previous prime (30745417) and next prime (30745427).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30745427) 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 5 ways as a sum of consecutive naturals, for example, 854022 + ... + 854057.

It is an arithmetic number, because the mean of its divisors is an integer number (5551260).

Almost surely, 2^30745422 is an apocalyptic number.

30745422 is an abundant number, since it is smaller than the sum of its proper divisors (35869698).

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

30745422 is a wasteful number, since it uses less digits than its factorization.

30745422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708087 (or 1708084 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 30745422 is about 5544.8554534812. The cubic root of 30745422 is about 313.2757796308.

The spelling of 30745422 in words is "thirty million, seven hundred forty-five thousand, four hundred twenty-two".