305070 has 16 divisors (see below), whose sum is σ = 732240. Its totient is φ = 81344.

The previous prime is 305069. The next prime is 305093. The reversal of 305070 is 70503.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 305070.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5055 + ... + 5114.

It is an arithmetic number, because the mean of its divisors is an integer number (45765).

2³⁰⁵⁰⁷⁰ is an apocalyptic number.

305070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

305070 is an abundant number, since it is smaller than the sum of its proper divisors (427170).

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

305070 is a wasteful number, since it uses less digits than its factorization.

305070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10179.

The product of its (nonzero) digits is 105, while the sum is 15.

The square root of 305070 is about 552.3314222457. The cubic root of 305070 is about 67.3183042190.

Adding to 305070 its reverse (70503), we get a palindrome (375573).

It can be divided in two parts, 30 and 5070, that multiplied together give a square (152100 = 390²).

The spelling of 305070 in words is "three hundred five thousand, seventy".