73140499 has 2 divisors, whose sum is σ = 73140500. Its totient is φ = 73140498.

The previous prime is 73140497. The next prime is 73140517. The reversal of 73140499 is 99404137.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73140499 - 2¹ = 73140497 is a prime.

Together with 73140497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (73140497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36570249 + 36570250.

It is an arithmetic number, because the mean of its divisors is an integer number (36570250).

Almost surely, 2^73140499 is an apocalyptic number.

73140499 is a deficient number, since it is larger than the sum of its proper divisors (1).

73140499 is an equidigital number, since it uses as much as digits as its factorization.

73140499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 73140499 is about 8552.2218750451. The cubic root of 73140499 is about 418.2018724544.

The spelling of 73140499 in words is "seventy-three million, one hundred forty thousand, four hundred ninety-nine".