73413133 has 2 divisors, whose sum is σ = 73413134. Its totient is φ = 73413132.

The previous prime is 73413113. The next prime is 73413139. The reversal of 73413133 is 33131437.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70862724 + 2550409 = 8418^2 + 1597^2 .

It is a cyclic number.

It is not a de Polignac number, because 73413133 - 2⁵ = 73413101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73413098 and 73413107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73413139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36706566 + 36706567.

It is an arithmetic number, because the mean of its divisors is an integer number (36706567).

Almost surely, 2^73413133 is an apocalyptic number.

It is an amenable number.

73413133 is a deficient number, since it is larger than the sum of its proper divisors (1).

73413133 is an equidigital number, since it uses as much as digits as its factorization.

73413133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 25.

The square root of 73413133 is about 8568.1464156491. The cubic root of 73413133 is about 418.7208492962.

The spelling of 73413133 in words is "seventy-three million, four hundred thirteen thousand, one hundred thirty-three".