72593722 has 8 divisors (see below), whose sum is σ = 109908576. Its totient is φ = 35957532.

The previous prime is 72593711. The next prime is 72593747. The reversal of 72593722 is 22739527.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169398 + ... + 169825.

It is an arithmetic number, because the mean of its divisors is an integer number (13738572).

Almost surely, 2^72593722 is an apocalyptic number.

72593722 is a deficient number, since it is larger than the sum of its proper divisors (37314854).

72593722 is a wasteful number, since it uses less digits than its factorization.

72593722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339332.

The product of its digits is 52920, while the sum is 37.

The square root of 72593722 is about 8520.1949508213. The cubic root of 72593722 is about 417.1571464223.

The spelling of 72593722 in words is "seventy-two million, five hundred ninety-three thousand, seven hundred twenty-two".