1806764242 has 8 divisors (see below), whose sum is σ = 2783393676. Its totient is φ = 878966352.

The previous prime is 1806764221. The next prime is 1806764269. The reversal of 1806764242 is 2424676081.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1805485081 + 1279161 = 42491^2 + 1131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1806764195 and 1806764204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12207793 + ... + 12207940.

Almost surely, 2^1806764242 is an apocalyptic number.

1806764242 is a deficient number, since it is larger than the sum of its proper divisors (976629434).

1806764242 is a wasteful number, since it uses less digits than its factorization.

1806764242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24415772.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 1806764242 is about 42506.0494753394. The cubic root of 1806764242 is about 1217.9622531202.

The spelling of 1806764242 in words is "one billion, eight hundred six million, seven hundred sixty-four thousand, two hundred forty-two".