372728243 has 4 divisors (see below), whose sum is σ = 372820968. Its totient is φ = 372635520.

The previous prime is 372728201. The next prime is 372728261. The reversal of 372728243 is 342827273.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342827273 = 739 ⋅463907.

It is a cyclic number.

It is not a de Polignac number, because 372728243 - 2¹⁶ = 372662707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 372728197 and 372728206.

It is not an unprimeable number, because it can be changed into a prime (372728843) 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, 40046 + ... + 48467.

It is an arithmetic number, because the mean of its divisors is an integer number (93205242).

Almost surely, 2^372728243 is an apocalyptic number.

372728243 is a deficient number, since it is larger than the sum of its proper divisors (92725).

372728243 is an equidigital number, since it uses as much as digits as its factorization.

372728243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92724.

The product of its digits is 112896, while the sum is 38.

The square root of 372728243 is about 19306.1711118492. The cubic root of 372728243 is about 719.6656388600.

The spelling of 372728243 in words is "three hundred seventy-two million, seven hundred twenty-eight thousand, two hundred forty-three".