72140295 has 16 divisors (see below), whose sum is σ = 115925472. Its totient is φ = 38307840.

The previous prime is 72140281. The next prime is 72140297. The reversal of 72140295 is 59204127.

It is not a de Polignac number, because 72140295 - 2¹⁹ = 71616007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72140297) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6826 + ... + 13815.

It is an arithmetic number, because the mean of its divisors is an integer number (7245342).

Almost surely, 2^72140295 is an apocalyptic number.

72140295 is a deficient number, since it is larger than the sum of its proper divisors (43785177).

72140295 is a wasteful number, since it uses less digits than its factorization.

72140295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20882.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 72140295 is about 8493.5443131828. The cubic root of 72140295 is about 416.2867979625.

The spelling of 72140295 in words is "seventy-two million, one hundred forty thousand, two hundred ninety-five".