305212076 has 24 divisors (see below), whose sum is σ = 582496320. Its totient is φ = 139082112.

The previous prime is 305212069. The next prime is 305212091. The reversal of 305212076 is 670212503.

It is a super-2 number, since 2×305212076² = 186308822672459552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33041 + ... + 41256.

It is an arithmetic number, because the mean of its divisors is an integer number (24270680).

Almost surely, 2^305212076 is an apocalyptic number.

It is an amenable number.

305212076 is a deficient number, since it is larger than the sum of its proper divisors (277284244).

305212076 is a wasteful number, since it uses less digits than its factorization.

305212076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74393 (or 74391 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 305212076 is about 17470.3198596935. The cubic root of 305212076 is about 673.2875300238.

Adding to 305212076 its reverse (670212503), we get a palindrome (975424579).

The spelling of 305212076 in words is "three hundred five million, two hundred twelve thousand, seventy-six".