72558214 has 8 divisors (see below), whose sum is σ = 109632168. Its totient is φ = 36014160.

The previous prime is 72558191. The next prime is 72558217. The reversal of 72558214 is 41285527.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 72558214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72558217) by changing a digit.

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, 132132 + ... + 132679.

It is an arithmetic number, because the mean of its divisors is an integer number (13704021).

Almost surely, 2^72558214 is an apocalyptic number.

72558214 is a deficient number, since it is larger than the sum of its proper divisors (37073954).

72558214 is a wasteful number, since it uses less digits than its factorization.

72558214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264950.

The product of its digits is 22400, while the sum is 34.

The square root of 72558214 is about 8518.1109408131. The cubic root of 72558214 is about 417.0891201923.

The spelling of 72558214 in words is "seventy-two million, five hundred fifty-eight thousand, two hundred fourteen".