72141850 has 48 divisors (see below), whose sum is σ = 151463520. Its totient is φ = 25323200.

The previous prime is 72141847. The next prime is 72141889. The reversal of 72141850 is 5814127.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13689 + ... + 18211.

It is an arithmetic number, because the mean of its divisors is an integer number (3155490).

Almost surely, 2^72141850 is an apocalyptic number.

72141850 is an abundant number, since it is smaller than the sum of its proper divisors (79321670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72141850 is a wasteful number, since it uses less digits than its factorization.

72141850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4575 (or 4570 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 72141850 is about 8493.6358528018. The cubic root of 72141850 is about 416.2897889923.

Adding to 72141850 its reverse (5814127), we get a palindrome (77955977).

The spelling of 72141850 in words is "seventy-two million, one hundred forty-one thousand, eight hundred fifty".