73197151 has 2 divisors, whose sum is σ = 73197152. Its totient is φ = 73197150.

The previous prime is 73197127. The next prime is 73197181. The reversal of 73197151 is 15179137.

It is a weak prime.

It is an emirp because it is prime and its reverse (15179137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73197151 - 2¹¹ = 73195103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73197181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36598575 + 36598576.

It is an arithmetic number, because the mean of its divisors is an integer number (36598576).

Almost surely, 2^73197151 is an apocalyptic number.

73197151 is a deficient number, since it is larger than the sum of its proper divisors (1).

73197151 is an equidigital number, since it uses as much as digits as its factorization.

73197151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6615, while the sum is 34.

The square root of 73197151 is about 8555.5333556711. The cubic root of 73197151 is about 418.3098192985.

The spelling of 73197151 in words is "seventy-three million, one hundred ninety-seven thousand, one hundred fifty-one".