73348991 has 2 divisors, whose sum is σ = 73348992. Its totient is φ = 73348990.

The previous prime is 73348943. The next prime is 73349011. The reversal of 73348991 is 19984337.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (19984337) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73348991 - 2¹⁴ = 73332607 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73348091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36674495 + 36674496.

It is an arithmetic number, because the mean of its divisors is an integer number (36674496).

Almost surely, 2^73348991 is an apocalyptic number.

73348991 is a deficient number, since it is larger than the sum of its proper divisors (1).

73348991 is an equidigital number, since it uses as much as digits as its factorization.

73348991 is an odious number, because the sum of its binary digits is odd.

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

The square root of 73348991 is about 8564.4025477554. The cubic root of 73348991 is about 418.5988664967.

The spelling of 73348991 in words is "seventy-three million, three hundred forty-eight thousand, nine hundred ninety-one".