72358143 has 32 divisors (see below), whose sum is σ = 114196992. Its totient is φ = 40176000.

The previous prime is 72358141. The next prime is 72358147. The reversal of 72358143 is 34185327.

It is not a de Polignac number, because 72358143 - 2¹ = 72358141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72358141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64221 + ... + 65337.

It is an arithmetic number, because the mean of its divisors is an integer number (3568656).

Almost surely, 2^72358143 is an apocalyptic number.

72358143 is a deficient number, since it is larger than the sum of its proper divisors (41838849).

72358143 is a wasteful number, since it uses less digits than its factorization.

72358143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295.

The product of its digits is 20160, while the sum is 33.

The square root of 72358143 is about 8506.3589743203. The cubic root of 72358143 is about 416.7054087354.

The spelling of 72358143 in words is "seventy-two million, three hundred fifty-eight thousand, one hundred forty-three".