82473315 has 32 divisors (see below), whose sum is σ = 135129600. Its totient is φ = 42941184.

The previous prime is 82473311. The next prime is 82473323. The reversal of 82473315 is 51337428.

It is not a de Polignac number, because 82473315 - 2² = 82473311 is a prime.

It is a super-4 number, since 4×82473315⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (82473311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137386 + ... + 137984.

It is an arithmetic number, because the mean of its divisors is an integer number (4222800).

Almost surely, 2^82473315 is an apocalyptic number.

82473315 is a deficient number, since it is larger than the sum of its proper divisors (52656285).

82473315 is a wasteful number, since it uses less digits than its factorization.

82473315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811.

The product of its digits is 20160, while the sum is 33.

The square root of 82473315 is about 9081.4819825841. The cubic root of 82473315 is about 435.2824430744.

The spelling of 82473315 in words is "eighty-two million, four hundred seventy-three thousand, three hundred fifteen".