72887594 has 8 divisors (see below), whose sum is σ = 117741540. Its totient is φ = 33640416.

The previous prime is 72887593. The next prime is 72887663. The reversal of 72887594 is 49578827.

It can be written as a sum of positive squares in 2 ways, for example, as 72880369 + 7225 = 8537^2 + 85^2 .

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

It is not an unprimeable number, because it can be changed into a prime (72887593) 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 3 ways as a sum of consecutive naturals, for example, 1401659 + ... + 1401710.

Almost surely, 2^72887594 is an apocalyptic number.

72887594 is a deficient number, since it is larger than the sum of its proper divisors (44853946).

72887594 is a wasteful number, since it uses less digits than its factorization.

72887594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803384.

The product of its digits is 1128960, while the sum is 50.

The square root of 72887594 is about 8537.4231475311. The cubic root of 72887594 is about 417.7192967462.

The spelling of 72887594 in words is "seventy-two million, eight hundred eighty-seven thousand, five hundred ninety-four".