82732730 has 16 divisors (see below), whose sum is σ = 149022720. Its totient is φ = 33070032.

The previous prime is 82732717. The next prime is 82732733. The reversal of 82732730 is 3723728.

It is a happy number.

It is a super-2 number, since 2×82732730² = 13689409226505800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82732733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25331 + ... + 28409.

It is an arithmetic number, because the mean of its divisors is an integer number (9313920).

Almost surely, 2^82732730 is an apocalyptic number.

82732730 is a deficient number, since it is larger than the sum of its proper divisors (66289990).

82732730 is a wasteful number, since it uses less digits than its factorization.

82732730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5773.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 82732730 is about 9095.7534047488. The cubic root of 82732730 is about 435.7383505732.

The spelling of 82732730 in words is "eighty-two million, seven hundred thirty-two thousand, seven hundred thirty".