72842441 has 8 divisors (see below), whose sum is σ = 84107520. Its totient is φ = 61792128.

The previous prime is 72842431. The next prime is 72842443. The reversal of 72842441 is 14424827.

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 72842441 - 2¹⁴ = 72826057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72842398 and 72842407.

It is not an unprimeable number, because it can be changed into a prime (72842443) 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, 52961 + ... + 54318.

It is an arithmetic number, because the mean of its divisors is an integer number (10513440).

Almost surely, 2^72842441 is an apocalyptic number.

It is an amenable number.

72842441 is a deficient number, since it is larger than the sum of its proper divisors (11265079).

72842441 is a wasteful number, since it uses less digits than its factorization.

72842441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107383.

The product of its digits is 14336, while the sum is 32.

The square root of 72842441 is about 8534.7783216672. The cubic root of 72842441 is about 417.6330215449.

The spelling of 72842441 in words is "seventy-two million, eight hundred forty-two thousand, four hundred forty-one".