73681303 has 2 divisors, whose sum is σ = 73681304. Its totient is φ = 73681302.

The previous prime is 73681277. The next prime is 73681367. The reversal of 73681303 is 30318637.

It is a weak prime.

It is an emirp because it is prime and its reverse (30318637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73681303 - 2²⁵ = 40126871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73681603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36840651 + 36840652.

It is an arithmetic number, because the mean of its divisors is an integer number (36840652).

Almost surely, 2^73681303 is an apocalyptic number.

73681303 is a deficient number, since it is larger than the sum of its proper divisors (1).

73681303 is an equidigital number, since it uses as much as digits as its factorization.

73681303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 73681303 is about 8583.7813928361. The cubic root of 73681303 is about 419.2300766271.

It can be divided in two parts, 73681 and 303, that added together give a square (73984 = 272²).

The spelling of 73681303 in words is "seventy-three million, six hundred eighty-one thousand, three hundred three".