30490703 has 4 divisors (see below), whose sum is σ = 30598728. Its totient is φ = 30382680.

The previous prime is 30490697. The next prime is 30490711. The reversal of 30490703 is 30709403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30709403 = 173 ⋅177511.

It is a cyclic number.

It is not a de Polignac number, because 30490703 - 2¹⁸ = 30228559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30490723) 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, 53588 + ... + 54153.

It is an arithmetic number, because the mean of its divisors is an integer number (7649682).

Almost surely, 2^30490703 is an apocalyptic number.

30490703 is a deficient number, since it is larger than the sum of its proper divisors (108025).

30490703 is a wasteful number, since it uses less digits than its factorization.

30490703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108024.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 30490703 is about 5521.8387336104. The cubic root of 30490703 is about 312.4082392986.

The spelling of 30490703 in words is "thirty million, four hundred ninety thousand, seven hundred three".