82673957 has 4 divisors (see below), whose sum is σ = 82766016. Its totient is φ = 82581900.

The previous prime is 82673951. The next prime is 82674001. The reversal of 82673957 is 75937628.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82673957 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 (82673951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44669 + ... + 46482.

It is an arithmetic number, because the mean of its divisors is an integer number (20691504).

Almost surely, 2^82673957 is an apocalyptic number.

It is an amenable number.

82673957 is a deficient number, since it is larger than the sum of its proper divisors (92059).

82673957 is an equidigital number, since it uses as much as digits as its factorization.

82673957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92058.

The product of its digits is 635040, while the sum is 47.

The square root of 82673957 is about 9092.5220373668. The cubic root of 82673957 is about 435.6351438705.

The spelling of 82673957 in words is "eighty-two million, six hundred seventy-three thousand, nine hundred fifty-seven".