73200328991 has 2 divisors, whose sum is σ = 73200328992. Its totient is φ = 73200328990.

The previous prime is 73200328939. The next prime is 73200329003. The reversal of 73200328991 is 19982300237.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73200328991 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73200321991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36600164495 + 36600164496.

It is an arithmetic number, because the mean of its divisors is an integer number (36600164496).

Almost surely, 2^73200328991 is an apocalyptic number.

73200328991 is a deficient number, since it is larger than the sum of its proper divisors (1).

73200328991 is an equidigital number, since it uses as much as digits as its factorization.

73200328991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 73200328991 in words is "seventy-three billion, two hundred million, three hundred twenty-eight thousand, nine hundred ninety-one".