82748375 has 8 divisors (see below), whose sum is σ = 103270128. Its totient is φ = 66198600.

The previous prime is 82748371. The next prime is 82748381. The reversal of 82748375 is 57384728.

It is a happy number.

It is not a de Polignac number, because 82748375 - 2² = 82748371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82748371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330869 + ... + 331118.

It is an arithmetic number, because the mean of its divisors is an integer number (12908766).

Almost surely, 2^82748375 is an apocalyptic number.

82748375 is a deficient number, since it is larger than the sum of its proper divisors (20521753).

82748375 is an equidigital number, since it uses as much as digits as its factorization.

82748375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662002 (or 661992 counting only the distinct ones).

The product of its digits is 376320, while the sum is 44.

The square root of 82748375 is about 9096.6133808138. The cubic root of 82748375 is about 435.7658153054.

The spelling of 82748375 in words is "eighty-two million, seven hundred forty-eight thousand, three hundred seventy-five".