73125029 has 2 divisors, whose sum is σ = 73125030. Its totient is φ = 73125028.

The previous prime is 73125023. The next prime is 73125071. The reversal of 73125029 is 92052137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37149025 + 35976004 = 6095^2 + 5998^2 .

It is a cyclic number.

It is not a de Polignac number, because 73125029 - 2²⁴ = 56347813 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 73124992 and 73125010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73125023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36562514 + 36562515.

It is an arithmetic number, because the mean of its divisors is an integer number (36562515).

Almost surely, 2^73125029 is an apocalyptic number.

It is an amenable number.

73125029 is a deficient number, since it is larger than the sum of its proper divisors (1).

73125029 is an equidigital number, since it uses as much as digits as its factorization.

73125029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 73125029 is about 8551.3173838889. The cubic root of 73125029 is about 418.1723856482.

The spelling of 73125029 in words is "seventy-three million, one hundred twenty-five thousand, twenty-nine".