305368473 has 4 divisors (see below), whose sum is σ = 407157968. Its totient is φ = 203578980.

The previous prime is 305368429. The next prime is 305368489. The reversal of 305368473 is 374863503.

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 not a de Polignac number, because 305368473 - 2¹² = 305364377 is a prime.

It is a super-3 number, since 3×305368473³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (305368573) 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, 50894743 + ... + 50894748.

It is an arithmetic number, because the mean of its divisors is an integer number (101789492).

Almost surely, 2^305368473 is an apocalyptic number.

It is an amenable number.

305368473 is a deficient number, since it is larger than the sum of its proper divisors (101789495).

305368473 is a wasteful number, since it uses less digits than its factorization.

305368473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101789494.

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 305368473 is about 17474.7953636087. The cubic root of 305368473 is about 673.4025125526.

The spelling of 305368473 in words is "three hundred five million, three hundred sixty-eight thousand, four hundred seventy-three".