82726970 has 8 divisors (see below), whose sum is σ = 148908564. Its totient is φ = 33090784.

The previous prime is 82726951. The next prime is 82726993. The reversal of 82726970 is 7962728.

It can be written as a sum of positive squares in 2 ways, for example, as 77668969 + 5058001 = 8813^2 + 2249^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4136339 + ... + 4136358.

Almost surely, 2^82726970 is an apocalyptic number.

82726970 is a deficient number, since it is larger than the sum of its proper divisors (66181594).

82726970 is a wasteful number, since it uses less digits than its factorization.

82726970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8272704.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 82726970 is about 9095.4367679623. The cubic root of 82726970 is about 435.7282380452.

The spelling of 82726970 in words is "eighty-two million, seven hundred twenty-six thousand, nine hundred seventy".