72930920801 has 2 divisors, whose sum is σ = 72930920802. Its totient is φ = 72930920800.

The previous prime is 72930920789. The next prime is 72930920833. The reversal of 72930920801 is 10802903927.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50023795600 + 22907125201 = 223660^2 + 151351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72930920801 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (72930920891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36465460400 + 36465460401.

It is an arithmetic number, because the mean of its divisors is an integer number (36465460401).

Almost surely, 2^72930920801 is an apocalyptic number.

It is an amenable number.

72930920801 is a deficient number, since it is larger than the sum of its proper divisors (1).

72930920801 is an equidigital number, since it uses as much as digits as its factorization.

72930920801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 72930920801 in words is "seventy-two billion, nine hundred thirty million, nine hundred twenty thousand, eight hundred one".