374428543 has 4 divisors (see below), whose sum is σ = 374497128. Its totient is φ = 374359960.

The previous prime is 374428531. The next prime is 374428577. The reversal of 374428543 is 345824473.

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: 345824473 = 2389 ⋅144757.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-374428543 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 374428496 and 374428505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374428583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25321 + ... + 37282.

It is an arithmetic number, because the mean of its divisors is an integer number (93624282).

Almost surely, 2^374428543 is an apocalyptic number.

374428543 is a deficient number, since it is larger than the sum of its proper divisors (68585).

374428543 is an equidigital number, since it uses as much as digits as its factorization.

374428543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68584.

The product of its digits is 322560, while the sum is 40.

The square root of 374428543 is about 19350.1561492408. The cubic root of 374428543 is about 720.7582950998.

The spelling of 374428543 in words is "three hundred seventy-four million, four hundred twenty-eight thousand, five hundred forty-three".