82126672 has 20 divisors (see below), whose sum is σ = 162507456. Its totient is φ = 40189280.

The previous prime is 82126669. The next prime is 82126687. The reversal of 82126672 is 27662128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53854 + ... + 55357.

Almost surely, 2^82126672 is an apocalyptic number.

It is an amenable number.

82126672 is a deficient number, since it is larger than the sum of its proper divisors (80380784).

82126672 is a wasteful number, since it uses less digits than its factorization.

82126672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109266 (or 109260 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 82126672 is about 9062.3767301961. The cubic root of 82126672 is about 434.6717424895.

It can be divided in two parts, 8212 and 6672, that added together give a square (14884 = 122²).

The spelling of 82126672 in words is "eighty-two million, one hundred twenty-six thousand, six hundred seventy-two".