72235741 has 4 divisors (see below), whose sum is σ = 72463932. Its totient is φ = 72007552.

The previous prime is 72235733. The next prime is 72235759. The reversal of 72235741 is 14753227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14753227 = 73 ⋅202099.

It can be written as a sum of positive squares in 2 ways, for example, as 1322500 + 70913241 = 1150^2 + 8421^2 .

It is a cyclic number.

It is not a de Polignac number, because 72235741 - 2³ = 72235733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72235711) 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, 113620 + ... + 114253.

It is an arithmetic number, because the mean of its divisors is an integer number (18115983).

Almost surely, 2^72235741 is an apocalyptic number.

It is an amenable number.

72235741 is a deficient number, since it is larger than the sum of its proper divisors (228191).

72235741 is a wasteful number, since it uses less digits than its factorization.

72235741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228190.

The product of its digits is 11760, while the sum is 31.

The square root of 72235741 is about 8499.1611939061. The cubic root of 72235741 is about 416.4703079761.

Adding to 72235741 its reverse (14753227), we get a palindrome (86988968).

It can be divided in two parts, 722 and 35741, that added together give a palindrome (36463).

The spelling of 72235741 in words is "seventy-two million, two hundred thirty-five thousand, seven hundred forty-one".