305341740 has 72 divisors (see below), whose sum is σ = 1010410128. Its totient is φ = 74021760.

The previous prime is 305341739. The next prime is 305341747. The reversal of 305341740 is 47143503.

305341740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (305341747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75127 + ... + 79086.

It is an arithmetic number, because the mean of its divisors is an integer number (14033474).

Almost surely, 2^305341740 is an apocalyptic number.

305341740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

305341740 is an abundant number, since it is smaller than the sum of its proper divisors (705068388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305341740 is a wasteful number, since it uses less digits than its factorization.

305341740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154239 (or 154234 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 305341740 is about 17474.0304452064. The cubic root of 305341740 is about 673.3828613265.

The spelling of 305341740 in words is "three hundred five million, three hundred forty-one thousand, seven hundred forty".