307041421 has 4 divisors (see below), whose sum is σ = 320391072. Its totient is φ = 293691772.

The previous prime is 307041389. The next prime is 307041433. The reversal of 307041421 is 124140703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 307041421 - 2⁵ = 307041389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 307041392 and 307041401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307041461) 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, 6674791 + ... + 6674836.

It is an arithmetic number, because the mean of its divisors is an integer number (80097768).

Almost surely, 2^307041421 is an apocalyptic number.

It is an amenable number.

307041421 is a deficient number, since it is larger than the sum of its proper divisors (13349651).

307041421 is a wasteful number, since it uses less digits than its factorization.

307041421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13349650.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 307041421 is about 17522.5974387361. The cubic root of 307041421 is about 674.6300092122.

The spelling of 307041421 in words is "three hundred seven million, forty-one thousand, four hundred twenty-one".