73107533 has 2 divisors, whose sum is σ = 73107534. Its totient is φ = 73107532.

The previous prime is 73107509. The next prime is 73107569. The reversal of 73107533 is 33570137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61669609 + 11437924 = 7853^2 + 3382^2 .

It is a cyclic number.

It is not a de Polignac number, because 73107533 - 2⁸ = 73107277 is a prime.

It is a super-2 number, since 2×73107533² = 10689422762692178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73107496 and 73107505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73107583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36553766 + 36553767.

It is an arithmetic number, because the mean of its divisors is an integer number (36553767).

Almost surely, 2^73107533 is an apocalyptic number.

It is an amenable number.

73107533 is a deficient number, since it is larger than the sum of its proper divisors (1).

73107533 is an equidigital number, since it uses as much as digits as its factorization.

73107533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6615, while the sum is 29.

The square root of 73107533 is about 8550.2943224196. The cubic root of 73107533 is about 418.1390321451.

The spelling of 73107533 in words is "seventy-three million, one hundred seven thousand, five hundred thirty-three".