30690419 has 4 divisors (see below), whose sum is σ = 30730896. Its totient is φ = 30649944.

The previous prime is 30690391. The next prime is 30690421. The reversal of 30690419 is 91409603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91409603 = 8053 ⋅11351.

It is a cyclic number.

It is not a de Polignac number, because 30690419 - 2¹² = 30686323 is a prime.

It is a super-2 number, since 2×30690419² = 1883803636791122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30690449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19079 + ... + 20624.

It is an arithmetic number, because the mean of its divisors is an integer number (7682724).

Almost surely, 2^30690419 is an apocalyptic number.

30690419 is a deficient number, since it is larger than the sum of its proper divisors (40477).

30690419 is an equidigital number, since it uses as much as digits as its factorization.

30690419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40476.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 30690419 is about 5539.8934105270. The cubic root of 30690419 is about 313.0888532291.

The spelling of 30690419 in words is "thirty million, six hundred ninety thousand, four hundred nineteen".