72789590 has 8 divisors (see below), whose sum is σ = 131021280. Its totient is φ = 29115832.

The previous prime is 72789569. The next prime is 72789667. The reversal of 72789590 is 9598727.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3639470 + ... + 3639489.

It is an arithmetic number, because the mean of its divisors is an integer number (16377660).

Almost surely, 2^72789590 is an apocalyptic number.

72789590 is a deficient number, since it is larger than the sum of its proper divisors (58231690).

72789590 is a wasteful number, since it uses less digits than its factorization.

72789590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7278966.

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 72789590 is about 8531.6815458619. The cubic root of 72789590 is about 417.5319922417.

The spelling of 72789590 in words is "seventy-two million, seven hundred eighty-nine thousand, five hundred ninety".