72605590 has 8 divisors (see below), whose sum is σ = 130690080. Its totient is φ = 29042232.

The previous prime is 72605573. The next prime is 72605591. The reversal of 72605590 is 9550627.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72605591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3630270 + ... + 3630289.

It is an arithmetic number, because the mean of its divisors is an integer number (16336260).

Almost surely, 2^72605590 is an apocalyptic number.

72605590 is a deficient number, since it is larger than the sum of its proper divisors (58084490).

72605590 is a wasteful number, since it uses less digits than its factorization.

72605590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7260566.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 72605590 is about 8520.8913852953. The cubic root of 72605590 is about 417.1798781917.

The spelling of 72605590 in words is "seventy-two million, six hundred five thousand, five hundred ninety".