73202113 has 2 divisors, whose sum is σ = 73202114. Its totient is φ = 73202112.

The previous prime is 73202083. The next prime is 73202131. The reversal of 73202113 is 31120237.

Together with next prime (73202131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49660209 + 23541904 = 7047^2 + 4852^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73202113 is a prime.

It is not a weakly prime, because it can be changed into another prime (73202183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36601056 + 36601057.

It is an arithmetic number, because the mean of its divisors is an integer number (36601057).

Almost surely, 2^73202113 is an apocalyptic number.

It is an amenable number.

73202113 is a deficient number, since it is larger than the sum of its proper divisors (1).

73202113 is an equidigital number, since it uses as much as digits as its factorization.

73202113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 73202113 is about 8555.8233385221. The cubic root of 73202113 is about 418.3192714260.

The spelling of 73202113 in words is "seventy-three million, two hundred two thousand, one hundred thirteen".