30745055 has 8 divisors (see below), whose sum is σ = 40248144. Its totient is φ = 22360000.

The previous prime is 30745031. The next prime is 30745063. The reversal of 30745055 is 55054703.

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

It is not a de Polignac number, because 30745055 - 2⁶ = 30744991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279446 + ... + 279555.

It is an arithmetic number, because the mean of its divisors is an integer number (5031018).

Almost surely, 2^30745055 is an apocalyptic number.

30745055 is a deficient number, since it is larger than the sum of its proper divisors (9503089).

30745055 is a wasteful number, since it uses less digits than its factorization.

30745055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559017.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 30745055 is about 5544.8223596433. The cubic root of 30745055 is about 313.2745331290.

Adding to 30745055 its reverse (55054703), we get a palindrome (85799758).

The spelling of 30745055 in words is "thirty million, seven hundred forty-five thousand, fifty-five".