82070371 has 8 divisors (see below), whose sum is σ = 86603040. Its totient is φ = 77618112.

The previous prime is 82070363. The next prime is 82070399. The reversal of 82070371 is 17307028.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82070371 - 2³ = 82070363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82071371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18000 + ... + 22093.

It is an arithmetic number, because the mean of its divisors is an integer number (10825380).

Almost surely, 2^82070371 is an apocalyptic number.

82070371 is a deficient number, since it is larger than the sum of its proper divisors (4532669).

82070371 is a wasteful number, since it uses less digits than its factorization.

82070371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40205.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 82070371 is about 9059.2698933192. The cubic root of 82070371 is about 434.5723917038.

Adding to 82070371 its reverse (17307028), we get a palindrome (99377399).

The spelling of 82070371 in words is "eighty-two million, seventy thousand, three hundred seventy-one".