30147419 has 2 divisors, whose sum is σ = 30147420. Its totient is φ = 30147418.

The previous prime is 30147401. The next prime is 30147431. The reversal of 30147419 is 91474103.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30147419 - 2²⁰ = 29098843 is a prime.

It is a super-2 number, since 2×30147419² = 1817733744723122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30147391 and 30147400.

It is not a weakly prime, because it can be changed into another prime (30146419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15073709 + 15073710.

It is an arithmetic number, because the mean of its divisors is an integer number (15073710).

Almost surely, 2^30147419 is an apocalyptic number.

30147419 is a deficient number, since it is larger than the sum of its proper divisors (1).

30147419 is an equidigital number, since it uses as much as digits as its factorization.

30147419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 30147419 is about 5490.6665351303. Note that the first 3 decimals coincide. The cubic root of 30147419 is about 311.2313804230.

The spelling of 30147419 in words is "thirty million, one hundred forty-seven thousand, four hundred nineteen".