82685330 has 32 divisors (see below), whose sum is σ = 183181824. Its totient is φ = 26168256.

The previous prime is 82685311. The next prime is 82685333. The reversal of 82685330 is 3358628.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (82685333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44522 + ... + 46341.

It is an arithmetic number, because the mean of its divisors is an integer number (5724432).

Almost surely, 2^82685330 is an apocalyptic number.

82685330 is an abundant number, since it is smaller than the sum of its proper divisors (100496494).

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

82685330 is a wasteful number, since it uses less digits than its factorization.

82685330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90890.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 82685330 is about 9093.1474198981. The cubic root of 82685330 is about 435.6551189287.

The spelling of 82685330 in words is "eighty-two million, six hundred eighty-five thousand, three hundred thirty".