72590386 has 8 divisors (see below), whose sum is σ = 118784304. Its totient is φ = 32995620.

The previous prime is 72590347. The next prime is 72590429. The reversal of 72590386 is 68309527.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1649760 + ... + 1649803.

It is an arithmetic number, because the mean of its divisors is an integer number (14848038).

Almost surely, 2^72590386 is an apocalyptic number.

72590386 is a deficient number, since it is larger than the sum of its proper divisors (46193918).

72590386 is a wasteful number, since it uses less digits than its factorization.

72590386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3299576.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 72590386 is about 8519.9991784037. Note that the first 3 decimals coincide. The cubic root of 72590386 is about 417.1507562574.

The spelling of 72590386 in words is "seventy-two million, five hundred ninety thousand, three hundred eighty-six".