82371745 has 24 divisors (see below), whose sum is σ = 107864640. Its totient is φ = 60217920.

The previous prime is 82371727. The next prime is 82371769. The reversal of 82371745 is 54717328.

It is not a de Polignac number, because 82371745 - 2⁵ = 82371713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79380 + ... + 80410.

It is an arithmetic number, because the mean of its divisors is an integer number (4494360).

Almost surely, 2^82371745 is an apocalyptic number.

It is an amenable number.

82371745 is a deficient number, since it is larger than the sum of its proper divisors (25492895).

82371745 is a wasteful number, since it uses less digits than its factorization.

82371745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113 (or 1084 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 82371745 is about 9075.8881108132. Note that the first 3 decimals coincide. The cubic root of 82371745 is about 435.1036789906.

The spelling of 82371745 in words is "eighty-two million, three hundred seventy-one thousand, seven hundred forty-five".