82273663 has 4 divisors (see below), whose sum is σ = 84187048. Its totient is φ = 80360280.

The previous prime is 82273661. The next prime is 82273669. The reversal of 82273663 is 36637228.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82273663 - 2¹ = 82273661 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 (82273661) 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, 956628 + ... + 956713.

It is an arithmetic number, because the mean of its divisors is an integer number (21046762).

Almost surely, 2^82273663 is an apocalyptic number.

82273663 is a deficient number, since it is larger than the sum of its proper divisors (1913385).

82273663 is a wasteful number, since it uses less digits than its factorization.

82273663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913384.

The product of its digits is 72576, while the sum is 37.

The square root of 82273663 is about 9070.4830632111. The cubic root of 82273663 is about 434.9309142939.

The spelling of 82273663 in words is "eighty-two million, two hundred seventy-three thousand, six hundred sixty-three".