82195726 has 16 divisors (see below), whose sum is σ = 124502400. Its totient is φ = 40697208.

The previous prime is 82195717. The next prime is 82195741. The reversal of 82195726 is 62759128.

It is a super-2 number, since 2×82195726² = 13512274745334152, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 156901 + ... + 157423.

It is an arithmetic number, because the mean of its divisors is an integer number (7781400).

Almost surely, 2^82195726 is an apocalyptic number.

82195726 is a deficient number, since it is larger than the sum of its proper divisors (42306674).

82195726 is a wasteful number, since it uses less digits than its factorization.

82195726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143.

The product of its digits is 60480, while the sum is 40.

The square root of 82195726 is about 9066.1858573493. The cubic root of 82195726 is about 434.7935357025.

The spelling of 82195726 in words is "eighty-two million, one hundred ninety-five thousand, seven hundred twenty-six".