73273771 has 2 divisors, whose sum is σ = 73273772. Its totient is φ = 73273770.

The previous prime is 73273769. The next prime is 73273819. The reversal of 73273771 is 17737237.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73273771 - 2¹ = 73273769 is a prime.

Together with 73273769, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 73273771.

It is not a weakly prime, because it can be changed into another prime (73273271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36636885 + 36636886.

It is an arithmetic number, because the mean of its divisors is an integer number (36636886).

Almost surely, 2^73273771 is an apocalyptic number.

73273771 is a deficient number, since it is larger than the sum of its proper divisors (1).

73273771 is an equidigital number, since it uses as much as digits as its factorization.

73273771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43218, while the sum is 37.

The square root of 73273771 is about 8560.0099883119. The cubic root of 73273771 is about 418.4557253490.

The spelling of 73273771 in words is "seventy-three million, two hundred seventy-three thousand, seven hundred seventy-one".