82714709 has 16 divisors (see below), whose sum is σ = 103890816. Its totient is φ = 63974400.

The previous prime is 82714663. The next prime is 82714711. The reversal of 82714709 is 90741728.

It is not a de Polignac number, because 82714709 - 2¹² = 82710613 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82714769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6629 + ... + 14469.

It is an arithmetic number, because the mean of its divisors is an integer number (6493176).

Almost surely, 2^82714709 is an apocalyptic number.

It is an amenable number.

82714709 is a deficient number, since it is larger than the sum of its proper divisors (21176107).

82714709 is a wasteful number, since it uses less digits than its factorization.

82714709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7996.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 82714709 is about 9094.7627236778. The cubic root of 82714709 is about 435.7067104914.

The spelling of 82714709 in words is "eighty-two million, seven hundred fourteen thousand, seven hundred nine".