82700739 has 24 divisors (see below), whose sum is σ = 133353792. Its totient is φ = 48953520.

The previous prime is 82700701. The next prime is 82700771. The reversal of 82700739 is 93700728.

It is not a de Polignac number, because 82700739 - 2⁹ = 82700227 is a prime.

It is a super-3 number, since 3×82700739³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (82700539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5457 + ... + 13970.

It is an arithmetic number, because the mean of its divisors is an integer number (5556408).

Almost surely, 2^82700739 is an apocalyptic number.

82700739 is a deficient number, since it is larger than the sum of its proper divisors (50653053).

82700739 is a wasteful number, since it uses less digits than its factorization.

82700739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19487 (or 19484 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 82700739 is about 9093.9946668117. The cubic root of 82700739 is about 435.6821797256.

The spelling of 82700739 in words is "eighty-two million, seven hundred thousand, seven hundred thirty-nine".