72822853 has 4 divisors (see below), whose sum is σ = 75989088. Its totient is φ = 69656620.

The previous prime is 72822821. The next prime is 72822887. The reversal of 72822853 is 35822827.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72822853 - 2⁵ = 72822821 is a prime.

It is a super-3 number, since 3×72822853³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72822553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583083 + ... + 1583128.

It is an arithmetic number, because the mean of its divisors is an integer number (18997272).

Almost surely, 2^72822853 is an apocalyptic number.

It is an amenable number.

72822853 is a deficient number, since it is larger than the sum of its proper divisors (3166235).

72822853 is a wasteful number, since it uses less digits than its factorization.

72822853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166234.

The product of its digits is 53760, while the sum is 37.

The square root of 72822853 is about 8533.6307044540. The cubic root of 72822853 is about 417.5955830731.

The spelling of 72822853 in words is "seventy-two million, eight hundred twenty-two thousand, eight hundred fifty-three".