72375143 has 2 divisors, whose sum is σ = 72375144. Its totient is φ = 72375142.

The previous prime is 72375119. The next prime is 72375151. The reversal of 72375143 is 34157327.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72375143 is a prime.

It is a super-2 number, since 2×72375143² = 10476322648540898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72375643) 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 as a sum of consecutive naturals, namely, 36187571 + 36187572.

It is an arithmetic number, because the mean of its divisors is an integer number (36187572).

Almost surely, 2^72375143 is an apocalyptic number.

72375143 is a deficient number, since it is larger than the sum of its proper divisors (1).

72375143 is an equidigital number, since it uses as much as digits as its factorization.

72375143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 32.

The square root of 72375143 is about 8507.3581680801. The cubic root of 72375143 is about 416.7380401111.

The spelling of 72375143 in words is "seventy-two million, three hundred seventy-five thousand, one hundred forty-three".