82074657 has 24 divisors (see below), whose sum is σ = 134791776. Its totient is φ = 44139648.

The previous prime is 82074653. The next prime is 82074677. The reversal of 82074657 is 75647028.

It is not a de Polignac number, because 82074657 - 2² = 82074653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82074653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13923 + ... + 18920.

It is an arithmetic number, because the mean of its divisors is an integer number (5616324).

Almost surely, 2^82074657 is an apocalyptic number.

It is an amenable number.

82074657 is a deficient number, since it is larger than the sum of its proper divisors (52717119).

82074657 is a wasteful number, since it uses less digits than its factorization.

82074657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32877 (or 32870 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 82074657 is about 9059.5064435100. The cubic root of 82074657 is about 434.5799565323.

The spelling of 82074657 in words is "eighty-two million, seventy-four thousand, six hundred fifty-seven".