30745922 has 8 divisors (see below), whose sum is σ = 46181772. Its totient is φ = 15352000.

The previous prime is 30745919. The next prime is 30745937. The reversal of 30745922 is 22954703.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16313521 + 14432401 = 4039^2 + 3799^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8579 + ... + 11622.

Almost surely, 2^30745922 is an apocalyptic number.

30745922 is a deficient number, since it is larger than the sum of its proper divisors (15435850).

30745922 is a wasteful number, since it uses less digits than its factorization.

30745922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20964.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 30745922 is about 5544.9005401360. The cubic root of 30745922 is about 313.2774778461.

The spelling of 30745922 in words is "thirty million, seven hundred forty-five thousand, nine hundred twenty-two".