72573582 has 8 divisors (see below), whose sum is σ = 145147176. Its totient is φ = 24191192.

The previous prime is 72573577. The next prime is 72573583. The reversal of 72573582 is 28537527.

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

72573582 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 72573582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72573583) 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, 6047793 + ... + 6047804.

It is an arithmetic number, because the mean of its divisors is an integer number (18143397).

Almost surely, 2^72573582 is an apocalyptic number.

72573582 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72573582 is a wasteful number, since it uses less digits than its factorization.

72573582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12095602.

The product of its digits is 117600, while the sum is 39.

The square root of 72573582 is about 8519.0129709961. The cubic root of 72573582 is about 417.1185649317.

The spelling of 72573582 in words is "seventy-two million, five hundred seventy-three thousand, five hundred eighty-two".