72075587 has 8 divisors (see below), whose sum is σ = 73394112. Its totient is φ = 70761600.

The previous prime is 72075547. The next prime is 72075599. The reversal of 72075587 is 78557027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72075587 - 2⁸ = 72075331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72075517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54923 + ... + 56219.

It is an arithmetic number, because the mean of its divisors is an integer number (9174264).

Almost surely, 2^72075587 is an apocalyptic number.

72075587 is a deficient number, since it is larger than the sum of its proper divisors (1318525).

72075587 is a wasteful number, since it uses less digits than its factorization.

72075587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269.

The product of its (nonzero) digits is 137200, while the sum is 41.

The square root of 72075587 is about 8489.7342125652. The cubic root of 72075587 is about 416.1622945251.

The spelling of 72075587 in words is "seventy-two million, seventy-five thousand, five hundred eighty-seven".