82305090 has 48 divisors (see below), whose sum is σ = 244565568. Its totient is φ = 18812448.

The previous prime is 82305089. The next prime is 82305107. The reversal of 82305090 is 9050328.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64692 + ... + 65951.

It is an arithmetic number, because the mean of its divisors is an integer number (5095116).

Almost surely, 2^82305090 is an apocalyptic number.

82305090 is an abundant number, since it is smaller than the sum of its proper divisors (162260478).

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

82305090 is a wasteful number, since it uses less digits than its factorization.

82305090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130663 (or 130660 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 82305090 is about 9072.2152752236. The cubic root of 82305090 is about 434.9862857349.

The spelling of 82305090 in words is "eighty-two million, three hundred five thousand, ninety".