1840977073 has 8 divisors (see below), whose sum is σ = 2099213928. Its totient is φ = 1599400704.

The previous prime is 1840977031. The next prime is 1840977079. The reversal of 1840977073 is 3707790481.

It can be written as a sum of positive squares in 4 ways, for example, as 300571569 + 1540405504 = 17337^2 + 39248^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1840977073 - 2²⁹ = 1304106161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1840977079) 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 7 ways as a sum of consecutive naturals, for example, 4164886 + ... + 4165327.

It is an arithmetic number, because the mean of its divisors is an integer number (262401741).

Almost surely, 2^1840977073 is an apocalyptic number.

1840977073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1840977073 is a deficient number, since it is larger than the sum of its proper divisors (258236855).

1840977073 is a wasteful number, since it uses less digits than its factorization.

1840977073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8330243.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 1840977073 is about 42906.6087333874. The cubic root of 1840977073 is about 1225.6019971589.

The spelling of 1840977073 in words is "one billion, eight hundred forty million, nine hundred seventy-seven thousand, seventy-three".