72054441 has 20 divisors (see below), whose sum is σ = 113304400. Its totient is φ = 45507096.

The previous prime is 72054439. The next prime is 72054443. The reversal of 72054441 is 14445027.

It is an interprime number because it is at equal distance from previous prime (72054439) and next prime (72054443).

It is not a de Polignac number, because 72054441 - 2¹ = 72054439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72054443) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21871 + ... + 24948.

It is an arithmetic number, because the mean of its divisors is an integer number (5665220).

Almost surely, 2^72054441 is an apocalyptic number.

It is an amenable number.

72054441 is a deficient number, since it is larger than the sum of its proper divisors (41249959).

72054441 is a wasteful number, since it uses less digits than its factorization.

72054441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46850 (or 46841 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 72054441 is about 8488.4887347513. The cubic root of 72054441 is about 416.1215917527.

Adding to 72054441 its reverse (14445027), we get a palindrome (86499468).

The spelling of 72054441 in words is "seventy-two million, fifty-four thousand, four hundred forty-one".