73426733 has 2 divisors, whose sum is σ = 73426734. Its totient is φ = 73426732.

The previous prime is 73426721. The next prime is 73426781. The reversal of 73426733 is 33762437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46199209 + 27227524 = 6797^2 + 5218^2 .

It is an emirp because it is prime and its reverse (33762437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73426733 - 2⁶ = 73426669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73426693 and 73426702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73426933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36713366 + 36713367.

It is an arithmetic number, because the mean of its divisors is an integer number (36713367).

Almost surely, 2^73426733 is an apocalyptic number.

It is an amenable number.

73426733 is a deficient number, since it is larger than the sum of its proper divisors (1).

73426733 is an equidigital number, since it uses as much as digits as its factorization.

73426733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 35.

The square root of 73426733 is about 8568.9400161280. The cubic root of 73426733 is about 418.7467041249.

The spelling of 73426733 in words is "seventy-three million, four hundred twenty-six thousand, seven hundred thirty-three".