72200141 has 4 divisors (see below), whose sum is σ = 77754012. Its totient is φ = 66646272.

The previous prime is 72200137. The next prime is 72200143. The reversal of 72200141 is 14100227.

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 38316100 + 33884041 = 6190^2 + 5821^2 .

It is a cyclic number.

It is not a de Polignac number, because 72200141 - 2² = 72200137 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 (72200143) 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, 2776916 + ... + 2776941.

It is an arithmetic number, because the mean of its divisors is an integer number (19438503).

Almost surely, 2^72200141 is an apocalyptic number.

It is an amenable number.

72200141 is a deficient number, since it is larger than the sum of its proper divisors (5553871).

72200141 is a wasteful number, since it uses less digits than its factorization.

72200141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553870.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 72200141 is about 8497.0666114842. The cubic root of 72200141 is about 416.4018802650.

Adding to 72200141 its reverse (14100227), we get a palindrome (86300368).

The spelling of 72200141 in words is "seventy-two million, two hundred thousand, one hundred forty-one".