72542833 has 8 divisors (see below), whose sum is σ = 81866880. Its totient is φ = 63673680.

The previous prime is 72542831. The next prime is 72542857. The reversal of 72542833 is 33824527.

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 72542833 - 2¹ = 72542831 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72542831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113385 + ... + 114022.

It is an arithmetic number, because the mean of its divisors is an integer number (10233360).

Almost surely, 2^72542833 is an apocalyptic number.

It is an amenable number.

72542833 is a deficient number, since it is larger than the sum of its proper divisors (9324047).

72542833 is a wasteful number, since it uses less digits than its factorization.

72542833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227447.

The product of its digits is 40320, while the sum is 34.

The square root of 72542833 is about 8517.2080519381. The cubic root of 72542833 is about 417.0596463819.

The spelling of 72542833 in words is "seventy-two million, five hundred forty-two thousand, eight hundred thirty-three".