305734493 has 4 divisors (see below), whose sum is σ = 315596928. Its totient is φ = 295872060.

The previous prime is 305734487. The next prime is 305734553. The reversal of 305734493 is 394437503.

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 305734493 - 2⁸ = 305734237 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 (305734433) 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, 4931171 + ... + 4931232.

It is an arithmetic number, because the mean of its divisors is an integer number (78899232).

Almost surely, 2^305734493 is an apocalyptic number.

It is an amenable number.

305734493 is a deficient number, since it is larger than the sum of its proper divisors (9862435).

305734493 is an equidigital number, since it uses as much as digits as its factorization.

305734493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9862434.

The product of its (nonzero) digits is 136080, while the sum is 38.

The square root of 305734493 is about 17485.2650251576. The cubic root of 305734493 is about 673.6714558097.

The spelling of 305734493 in words is "three hundred five million, seven hundred thirty-four thousand, four hundred ninety-three".