72822529 has 8 divisors (see below), whose sum is σ = 78527232. Its totient is φ = 67132560.

The previous prime is 72822527. The next prime is 72822539. The reversal of 72822529 is 92522827.

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 72822529 - 2¹ = 72822527 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72822527) 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, 7974 + ... + 14464.

It is an arithmetic number, because the mean of its divisors is an integer number (9815904).

Almost surely, 2^72822529 is an apocalyptic number.

It is an amenable number.

72822529 is a deficient number, since it is larger than the sum of its proper divisors (5704703).

72822529 is a wasteful number, since it uses less digits than its factorization.

72822529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367.

The product of its digits is 40320, while the sum is 37.

The square root of 72822529 is about 8533.6117207194. The cubic root of 72822529 is about 417.5949637567.

The spelling of 72822529 in words is "seventy-two million, eight hundred twenty-two thousand, five hundred twenty-nine".