82630305 has 24 divisors (see below), whose sum is σ = 146560128. Its totient is φ = 43043616.

The previous prime is 82630279. The next prime is 82630307. The reversal of 82630305 is 50303628.

It is not a de Polignac number, because 82630305 - 2⁶ = 82630241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82630307) 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, 19417 + ... + 23286.

It is an arithmetic number, because the mean of its divisors is an integer number (6106672).

Almost surely, 2^82630305 is an apocalyptic number.

It is an amenable number.

82630305 is a deficient number, since it is larger than the sum of its proper divisors (63929823).

82630305 is a wasteful number, since it uses less digits than its factorization.

82630305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42757 (or 42754 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 82630305 is about 9090.1212863196. The cubic root of 82630305 is about 435.5584583222.

The spelling of 82630305 in words is "eighty-two million, six hundred thirty thousand, three hundred five".