82645937 has 4 divisors (see below), whose sum is σ = 90159216. Its totient is φ = 75132660.

The previous prime is 82645919. The next prime is 82645939. The reversal of 82645937 is 73954628.

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 not a de Polignac number, because 82645937 - 2¹² = 82641841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82645939) 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, 3756623 + ... + 3756644.

It is an arithmetic number, because the mean of its divisors is an integer number (22539804).

Almost surely, 2^82645937 is an apocalyptic number.

It is an amenable number.

82645937 is a deficient number, since it is larger than the sum of its proper divisors (7513279).

82645937 is a wasteful number, since it uses less digits than its factorization.

82645937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7513278.

The product of its digits is 362880, while the sum is 44.

The square root of 82645937 is about 9090.9810801695. The cubic root of 82645937 is about 435.5859229048.

The spelling of 82645937 in words is "eighty-two million, six hundred forty-five thousand, nine hundred thirty-seven".