72853343 has 4 divisors (see below), whose sum is σ = 73851408. Its totient is φ = 71855280.

The previous prime is 72853301. The next prime is 72853357. The reversal of 72853343 is 34335827.

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 72853343 - 2¹⁶ = 72787807 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 (72853643) 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 3 ways as a sum of consecutive naturals, for example, 498923 + ... + 499068.

It is an arithmetic number, because the mean of its divisors is an integer number (18462852).

Almost surely, 2^72853343 is an apocalyptic number.

72853343 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

72853343 is a deficient number, since it is larger than the sum of its proper divisors (998065).

72853343 is an equidigital number, since it uses as much as digits as its factorization.

72853343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998064.

The product of its digits is 60480, while the sum is 35.

The square root of 72853343 is about 8535.4169786836. The cubic root of 72853343 is about 417.6538555899.

The spelling of 72853343 in words is "seventy-two million, eight hundred fifty-three thousand, three hundred forty-three".