372006209 has 8 divisors (see below), whose sum is σ = 391744320. Its totient is φ = 352565136.

The previous prime is 372006199. The next prime is 372006221. The reversal of 372006209 is 902600273.

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

It is a cyclic number.

It is not a de Polignac number, because 372006209 - 2²⁰ = 370957633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (372006109) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 71687 + ... + 76700.

It is an arithmetic number, because the mean of its divisors is an integer number (48968040).

Almost surely, 2^372006209 is an apocalyptic number.

It is an amenable number.

372006209 is a deficient number, since it is larger than the sum of its proper divisors (19738111).

372006209 is a wasteful number, since it uses less digits than its factorization.

372006209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148519.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 372006209 is about 19287.4624821411. The cubic root of 372006209 is about 719.2006361294.

The spelling of 372006209 in words is "three hundred seventy-two million, six thousand, two hundred nine".