72043575 has 12 divisors (see below), whose sum is σ = 119112168. Its totient is φ = 38423200.

The previous prime is 72043541. The next prime is 72043577. The reversal of 72043575 is 57534027.

It is not a de Polignac number, because 72043575 - 2⁹ = 72043063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72043577) 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 11 ways as a sum of consecutive naturals, for example, 480216 + ... + 480365.

It is an arithmetic number, because the mean of its divisors is an integer number (9926014).

Almost surely, 2^72043575 is an apocalyptic number.

72043575 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

72043575 is a deficient number, since it is larger than the sum of its proper divisors (47068593).

72043575 is a wasteful number, since it uses less digits than its factorization.

72043575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960594 (or 960589 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 72043575 is about 8487.8486673597. The cubic root of 72043575 is about 416.1006732895.

The spelling of 72043575 in words is "seventy-two million, forty-three thousand, five hundred seventy-five".