1830522874 has 4 divisors (see below), whose sum is σ = 2745784314. Its totient is φ = 915261436.

The previous prime is 1830522853. The next prime is 1830522877. The reversal of 1830522874 is 4782250381.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1789882249 + 40640625 = 42307^2 + 6375^2 .

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 not an unprimeable number, because it can be changed into a prime (1830522877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457630717 + ... + 457630720.

Almost surely, 2^1830522874 is an apocalyptic number.

1830522874 is a deficient number, since it is larger than the sum of its proper divisors (915261440).

1830522874 is an equidigital number, since it uses as much as digits as its factorization.

1830522874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915261439.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 1830522874 is about 42784.6102471438. The cubic root of 1830522874 is about 1223.2776848984.

The spelling of 1830522874 in words is "one billion, eight hundred thirty million, five hundred twenty-two thousand, eight hundred seventy-four".