72206258 has 8 divisors (see below), whose sum is σ = 108345600. Its totient is φ = 36091060.

The previous prime is 72206257. The next prime is 72206297. The reversal of 72206258 is 85260227.

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

It is not an unprimeable number, because it can be changed into a prime (72206257) 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, 7643 + ... + 14241.

It is an arithmetic number, because the mean of its divisors is an integer number (13543200).

Almost surely, 2^72206258 is an apocalyptic number.

72206258 is a deficient number, since it is larger than the sum of its proper divisors (36139342).

72206258 is a wasteful number, since it uses less digits than its factorization.

72206258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12072.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 72206258 is about 8497.4265516096. The cubic root of 72206258 is about 416.4136395143.

The spelling of 72206258 in words is "seventy-two million, two hundred six thousand, two hundred fifty-eight".