73039501 has 2 divisors, whose sum is σ = 73039502. Its totient is φ = 73039500.

The previous prime is 73039469. The next prime is 73039507. The reversal of 73039501 is 10593037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42237001 + 30802500 = 6499^2 + 5550^2 .

It is a cyclic number.

It is not a de Polignac number, because 73039501 - 2⁵ = 73039469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73039501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73039507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36519750 + 36519751.

It is an arithmetic number, because the mean of its divisors is an integer number (36519751).

Almost surely, 2^73039501 is an apocalyptic number.

It is an amenable number.

73039501 is a deficient number, since it is larger than the sum of its proper divisors (1).

73039501 is an equidigital number, since it uses as much as digits as its factorization.

73039501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 73039501 is about 8546.3150538697. The cubic root of 73039501 is about 418.0092887293.

The spelling of 73039501 in words is "seventy-three million, thirty-nine thousand, five hundred one".