372112217 has 4 divisors (see below), whose sum is σ = 372996516. Its totient is φ = 371227920.

The previous prime is 372112123. The next prime is 372112249. The reversal of 372112217 is 712211273.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37258816 + 334853401 = 6104^2 + 18299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-372112217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (372112817) 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, 441518 + ... + 442359.

It is an arithmetic number, because the mean of its divisors is an integer number (93249129).

Almost surely, 2^372112217 is an apocalyptic number.

It is an amenable number.

372112217 is a deficient number, since it is larger than the sum of its proper divisors (884299).

372112217 is an equidigital number, since it uses as much as digits as its factorization.

372112217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884298.

The product of its digits is 1176, while the sum is 26.

The square root of 372112217 is about 19290.2103928392. The cubic root of 372112217 is about 719.2689448281.

The spelling of 372112217 in words is "three hundred seventy-two million, one hundred twelve thousand, two hundred seventeen".