73438801 has 2 divisors, whose sum is σ = 73438802. Its totient is φ = 73438800.

The previous prime is 73438787. The next prime is 73438811. The reversal of 73438801 is 10883437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43243776 + 30195025 = 6576^2 + 5495^2 .

It is a cyclic number.

It is not a de Polignac number, because 73438801 - 2⁹ = 73438289 is a prime.

It is not a weakly prime, because it can be changed into another prime (73438811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36719400 + 36719401.

It is an arithmetic number, because the mean of its divisors is an integer number (36719401).

Almost surely, 2^73438801 is an apocalyptic number.

It is an amenable number.

73438801 is a deficient number, since it is larger than the sum of its proper divisors (1).

73438801 is an equidigital number, since it uses as much as digits as its factorization.

73438801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 73438801 is about 8569.6441583067. The cubic root of 73438801 is about 418.7696438100.

The spelling of 73438801 in words is "seventy-three million, four hundred thirty-eight thousand, eight hundred one".