72350141 has 4 divisors (see below), whose sum is σ = 73715292. Its totient is φ = 70984992.

The previous prime is 72350137. The next prime is 72350149. The reversal of 72350141 is 14105327.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14105327 = 3709 ⋅3803.

It can be written as a sum of positive squares in 2 ways, for example, as 63138916 + 9211225 = 7946^2 + 3035^2 .

It is a cyclic number.

It is not a de Polignac number, because 72350141 - 2² = 72350137 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 (72350149) 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, 682496 + ... + 682601.

It is an arithmetic number, because the mean of its divisors is an integer number (18428823).

Almost surely, 2^72350141 is an apocalyptic number.

It is an amenable number.

72350141 is a deficient number, since it is larger than the sum of its proper divisors (1365151).

72350141 is a wasteful number, since it uses less digits than its factorization.

72350141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365150.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 72350141 is about 8505.8886073120. Note that the first 3 decimals coincide. The cubic root of 72350141 is about 416.6900471858.

Adding to 72350141 its reverse (14105327), we get a palindrome (86455468).

The spelling of 72350141 in words is "seventy-two million, three hundred fifty thousand, one hundred forty-one".