82331770 has 16 divisors (see below), whose sum is σ = 148316040. Its totient is φ = 32906304.

The previous prime is 82331759. The next prime is 82331773. The reversal of 82331770 is 7713328.

It can be written as a sum of positive squares in 4 ways, for example, as 60326289 + 22005481 = 7767^2 + 4691^2 .

It is not an unprimeable number, because it can be changed into a prime (82331773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14224 + ... + 19156.

Almost surely, 2^82331770 is an apocalyptic number.

82331770 is a deficient number, since it is larger than the sum of its proper divisors (65984270).

82331770 is a wasteful number, since it uses less digits than its factorization.

82331770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6609.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 82331770 is about 9073.6855797410. The cubic root of 82331770 is about 435.0332823436.

The spelling of 82331770 in words is "eighty-two million, three hundred thirty-one thousand, seven hundred seventy".