73980150609918 has 32 divisors (see below), whose sum is σ = 169170658030080. Its totient is φ = 21128039523360.

The previous prime is 73980150609907. The next prime is 73980150609943. The reversal of 73980150609918 is 81990605108937.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381000333 + ... + 381194456.

It is an arithmetic number, because the mean of its divisors is an integer number (5286583063440).

Almost surely, 2^{73980150609918} is an apocalyptic number.

73980150609918 is an abundant number, since it is smaller than the sum of its proper divisors (95190507420162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73980150609918 is a wasteful number, since it uses less digits than its factorization.

73980150609918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762197112.

The product of its (nonzero) digits is 29393280, while the sum is 66.

The spelling of 73980150609918 in words is "seventy-three trillion, nine hundred eighty billion, one hundred fifty million, six hundred nine thousand, nine hundred eighteen".