72522841 has 8 divisors (see below), whose sum is σ = 75833280. Its totient is φ = 69225552.

The previous prime is 72522803. The next prime is 72522847. The reversal of 72522841 is 14822527.

It is a happy number.

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 72522841 - 2⁷ = 72522713 is a prime.

It is a super-2 number, since 2×72522841² = 10519124933422562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72522847) 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, 9015 + ... + 15043.

It is an arithmetic number, because the mean of its divisors is an integer number (9479160).

Almost surely, 2^72522841 is an apocalyptic number.

It is an amenable number.

72522841 is a deficient number, since it is larger than the sum of its proper divisors (3310439).

72522841 is a wasteful number, since it uses less digits than its factorization.

72522841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6575.

The product of its digits is 8960, while the sum is 31.

The square root of 72522841 is about 8516.0343470421. The cubic root of 72522841 is about 417.0213305246.

The spelling of 72522841 in words is "seventy-two million, five hundred twenty-two thousand, eight hundred forty-one".