72024941 has 4 divisors (see below), whose sum is σ = 72834300. Its totient is φ = 71215584.

The previous prime is 72024919. The next prime is 72024947. The reversal of 72024941 is 14942027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14942027 = 43 ⋅347489.

It can be written as a sum of positive squares in 2 ways, for example, as 40271716 + 31753225 = 6346^2 + 5635^2 .

It is a cyclic number.

It is not a de Polignac number, because 72024941 - 2¹⁴ = 72008557 is a prime.

It is a super-4 number, since 4×72024941⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72024947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404546 + ... + 404723.

It is an arithmetic number, because the mean of its divisors is an integer number (18208575).

Almost surely, 2^72024941 is an apocalyptic number.

It is an amenable number.

72024941 is a deficient number, since it is larger than the sum of its proper divisors (809359).

72024941 is an equidigital number, since it uses as much as digits as its factorization.

72024941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809358.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 72024941 is about 8486.7509095059. The cubic root of 72024941 is about 416.0647955191.

Adding to 72024941 its reverse (14942027), we get a palindrome (86966968).

The spelling of 72024941 in words is "seventy-two million, twenty-four thousand, nine hundred forty-one".