3030073421 has 4 divisors (see below), whose sum is σ = 3208313052. Its totient is φ = 2851833792.

The previous prime is 3030073399. The next prime is 3030073457. The reversal of 3030073421 is 1243700303.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1243700303 = 83 ⋅14984341.

It can be written as a sum of positive squares in 2 ways, for example, as 2739370921 + 290702500 = 52339^2 + 17050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3030073421 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 (3030073481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89119790 + ... + 89119823.

It is an arithmetic number, because the mean of its divisors is an integer number (802078263).

Almost surely, 2^3030073421 is an apocalyptic number.

It is an amenable number.

3030073421 is a deficient number, since it is larger than the sum of its proper divisors (178239631).

3030073421 is a wasteful number, since it uses less digits than its factorization.

3030073421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178239630.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 3030073421 is about 55046.1026867480. The cubic root of 3030073421 is about 1447.0528201456.

Adding to 3030073421 its reverse (1243700303), we get a palindrome (4273773724).

The spelling of 3030073421 in words is "three billion, thirty million, seventy-three thousand, four hundred twenty-one".