372666 has 32 divisors (see below), whose sum is σ = 898560. Its totient is φ = 100656.

The previous prime is 372661. The next prime is 372667. The reversal of 372666 is 666273.

372666 = 29² + 30² + ... + 104².

372666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

372666 is a modest number, since divided by 666 gives 372 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372661) by changing a digit.

372666 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 15 ways as a sum of consecutive naturals, for example, 565 + ... + 1031.

It is an arithmetic number, because the mean of its divisors is an integer number (28080).

2³⁷²⁶⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 372666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449280).

372666 is an abundant number, since it is smaller than the sum of its proper divisors (525894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

372666 is a wasteful number, since it uses less digits than its factorization.

372666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498.

The product of its digits is 9072, while the sum is 30.

The square root of 372666 is about 610.4637581380. The cubic root of 372666 is about 71.9625576927.

The spelling of 372666 in words is "three hundred seventy-two thousand, six hundred sixty-six".