1868074973 has 8 divisors (see below), whose sum is σ = 2012176896. Its totient is φ = 1729213200.

The previous prime is 1868074963. The next prime is 1868074979. The reversal of 1868074973 is 3794708681.

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 1868074973 - 2⁶ = 1868074909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868074979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309298 + ... + 1310723.

It is an arithmetic number, because the mean of its divisors is an integer number (251522112).

Almost surely, 2^1868074973 is an apocalyptic number.

It is an amenable number.

1868074973 is a deficient number, since it is larger than the sum of its proper divisors (144101923).

1868074973 is a wasteful number, since it uses less digits than its factorization.

1868074973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620075.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The square root of 1868074973 is about 43221.2328954184. The cubic root of 1868074973 is about 1231.5860679058.

The spelling of 1868074973 in words is "one billion, eight hundred sixty-eight million, seventy-four thousand, nine hundred seventy-three".