82707949 has 8 divisors (see below), whose sum is σ = 84236768. Its totient is φ = 81187920.

The previous prime is 82707917. The next prime is 82707959. The reversal of 82707949 is 94970728.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82707949 - 2⁵ = 82707917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82707899 and 82707908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82707959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18559 + ... + 22579.

It is an arithmetic number, because the mean of its divisors is an integer number (10529596).

Almost surely, 2^82707949 is an apocalyptic number.

It is an amenable number.

82707949 is a deficient number, since it is larger than the sum of its proper divisors (1528819).

82707949 is a wasteful number, since it uses less digits than its factorization.

82707949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4395.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 82707949 is about 9094.3910736233. The cubic root of 82707949 is about 435.6948405445.

The spelling of 82707949 in words is "eighty-two million, seven hundred seven thousand, nine hundred forty-nine".