82707249 has 8 divisors (see below), whose sum is σ = 111347392. Its totient is φ = 54602640.

The previous prime is 82707221. The next prime is 82707253. The reversal of 82707249 is 94270728.

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

It is not a de Polignac number, because 82707249 - 2⁸ = 82706993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82707269) 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, 133522 + ... + 134139.

It is an arithmetic number, because the mean of its divisors is an integer number (13918424).

Almost surely, 2^82707249 is an apocalyptic number.

It is an amenable number.

82707249 is a deficient number, since it is larger than the sum of its proper divisors (28640143).

82707249 is a wasteful number, since it uses less digits than its factorization.

82707249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267767.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 82707249 is about 9094.3525882825. The cubic root of 82707249 is about 435.6936113711.

The spelling of 82707249 in words is "eighty-two million, seven hundred seven thousand, two hundred forty-nine".