72411841 has 4 divisors (see below), whose sum is σ = 72681300. Its totient is φ = 72142384.

The previous prime is 72411817. The next prime is 72411887. The reversal of 72411841 is 14811427.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2187441 + 70224400 = 1479^2 + 8380^2 .

It is a cyclic number.

It is not a de Polignac number, because 72411841 - 2⁵ = 72411809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72411341) 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, 134326 + ... + 134863.

It is an arithmetic number, because the mean of its divisors is an integer number (18170325).

Almost surely, 2^72411841 is an apocalyptic number.

It is an amenable number.

72411841 is a deficient number, since it is larger than the sum of its proper divisors (269459).

72411841 is a wasteful number, since it uses less digits than its factorization.

72411841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269458.

The product of its digits is 1792, while the sum is 28.

The square root of 72411841 is about 8509.5147335204. The cubic root of 72411841 is about 416.8084642366.

The spelling of 72411841 in words is "seventy-two million, four hundred eleven thousand, eight hundred forty-one".