82729403 has 8 divisors (see below), whose sum is σ = 83823600. Its totient is φ = 81640800.

The previous prime is 82729379. The next prime is 82729441. The reversal of 82729403 is 30492728.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82729403 - 2²⁰ = 81680827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82729903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34076 + ... + 36422.

It is an arithmetic number, because the mean of its divisors is an integer number (10477950).

Almost surely, 2^82729403 is an apocalyptic number.

82729403 is a deficient number, since it is larger than the sum of its proper divisors (1094197).

82729403 is a wasteful number, since it uses less digits than its factorization.

82729403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 82729403 is about 9095.5705153663. The cubic root of 82729403 is about 435.7325095921.

The spelling of 82729403 in words is "eighty-two million, seven hundred twenty-nine thousand, four hundred three".