82731956 has 6 divisors (see below), whose sum is σ = 144780930. Its totient is φ = 41365976.

The previous prime is 82731953. The next prime is 82731977. The reversal of 82731956 is 65913728.

It can be written as a sum of positive squares in only one way, i.e., 53787556 + 28944400 = 7334^2 + 5380^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82731953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10341491 + ... + 10341498.

It is an arithmetic number, because the mean of its divisors is an integer number (24130155).

Almost surely, 2^82731956 is an apocalyptic number.

It is an amenable number.

82731956 is a deficient number, since it is larger than the sum of its proper divisors (62048974).

82731956 is a wasteful number, since it uses less digits than its factorization.

82731956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20682993 (or 20682991 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 82731956 is about 9095.7108573217. The cubic root of 82731956 is about 435.7369917295.

The spelling of 82731956 in words is "eighty-two million, seven hundred thirty-one thousand, nine hundred fifty-six".