30040745 has 8 divisors (see below), whose sum is σ = 41198784. Its totient is φ = 20599344.

The previous prime is 30040721. The next prime is 30040757. The reversal of 30040745 is 54704003.

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

It is a cyclic number.

It is not a de Polignac number, because 30040745 - 2²⁴ = 13263529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30040745.

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, 429119 + ... + 429188.

It is an arithmetic number, because the mean of its divisors is an integer number (5149848).

Almost surely, 2^30040745 is an apocalyptic number.

30040745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30040745 is a deficient number, since it is larger than the sum of its proper divisors (11158039).

30040745 is an equidigital number, since it uses as much as digits as its factorization.

30040745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858319.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 30040745 is about 5480.9438055868. The cubic root of 30040745 is about 310.8638582789.

Adding to 30040745 its reverse (54704003), we get a palindrome (84744748).

The spelling of 30040745 in words is "thirty million, forty thousand, seven hundred forty-five".