30450715 has 4 divisors (see below), whose sum is σ = 36540864. Its totient is φ = 24360568.

The previous prime is 30450713. The next prime is 30450733. The reversal of 30450715 is 51705403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30450715 - 2¹ = 30450713 is a prime.

It is a super-2 number, since 2×30450715² = 1854492088022450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30450715.

It is not an unprimeable number, because it can be changed into a prime (30450713) by changing a digit.

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, 3045067 + ... + 3045076.

It is an arithmetic number, because the mean of its divisors is an integer number (9135216).

Almost surely, 2^30450715 is an apocalyptic number.

30450715 is a deficient number, since it is larger than the sum of its proper divisors (6090149).

30450715 is an equidigital number, since it uses as much as digits as its factorization.

30450715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6090148.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 30450715 is about 5518.2166503319. The cubic root of 30450715 is about 312.2716069845.

The spelling of 30450715 in words is "thirty million, four hundred fifty thousand, seven hundred fifteen".