72501206 has 8 divisors (see below), whose sum is σ = 110595240. Its totient is φ = 35636128.

The previous prime is 72501199. The next prime is 72501229. The reversal of 72501206 is 60210527.

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

It is a congruent number.

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, 307091 + ... + 307326.

It is an arithmetic number, because the mean of its divisors is an integer number (13824405).

Almost surely, 2^72501206 is an apocalyptic number.

72501206 is a deficient number, since it is larger than the sum of its proper divisors (38094034).

72501206 is a wasteful number, since it uses less digits than its factorization.

72501206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614478.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 72501206 is about 8514.7640014272. The cubic root of 72501206 is about 416.9798578259.

The spelling of 72501206 in words is "seventy-two million, five hundred one thousand, two hundred six".