73031033 has 2 divisors, whose sum is σ = 73031034. Its totient is φ = 73031032.

The previous prime is 73031029. The next prime is 73031047. The reversal of 73031033 is 33013037.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61653904 + 11377129 = 7852^2 + 3373^2 .

It is a cyclic number.

It is not a de Polignac number, because 73031033 - 2² = 73031029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73030996 and 73031014.

It is not a weakly prime, because it can be changed into another prime (73031083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36515516 + 36515517.

It is an arithmetic number, because the mean of its divisors is an integer number (36515517).

Almost surely, 2^73031033 is an apocalyptic number.

It is an amenable number.

73031033 is a deficient number, since it is larger than the sum of its proper divisors (1).

73031033 is an equidigital number, since it uses as much as digits as its factorization.

73031033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 20.

The square root of 73031033 is about 8545.8196213119. The cubic root of 73031033 is about 417.9931338204.

The spelling of 73031033 in words is "seventy-three million, thirty-one thousand, thirty-three".