74320200973 has 2 divisors, whose sum is σ = 74320200974. Its totient is φ = 74320200972.

The previous prime is 74320200953. The next prime is 74320201069. The reversal of 74320200973 is 37900202347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50504921289 + 23815279684 = 224733^2 + 154322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74320200973 is a prime.

It is a super-2 number, since 2×74320200973² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74320200953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37160100486 + 37160100487.

It is an arithmetic number, because the mean of its divisors is an integer number (37160100487).

Almost surely, 2^74320200973 is an apocalyptic number.

It is an amenable number.

74320200973 is a deficient number, since it is larger than the sum of its proper divisors (1).

74320200973 is an equidigital number, since it uses as much as digits as its factorization.

74320200973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 74320200973 in words is "seventy-four billion, three hundred twenty million, two hundred thousand, nine hundred seventy-three".