73361401 has 2 divisors, whose sum is σ = 73361402. Its totient is φ = 73361400.

The previous prime is 73361399. The next prime is 73361419. The reversal of 73361401 is 10416337.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50751376 + 22610025 = 7124^2 + 4755^2 .

It is a cyclic number.

It is not a de Polignac number, because 73361401 - 2¹ = 73361399 is a prime.

Together with 73361399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (73361201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36680700 + 36680701.

It is an arithmetic number, because the mean of its divisors is an integer number (36680701).

Almost surely, 2^73361401 is an apocalyptic number.

It is an amenable number.

73361401 is a deficient number, since it is larger than the sum of its proper divisors (1).

73361401 is an equidigital number, since it uses as much as digits as its factorization.

73361401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 73361401 is about 8565.1270276628. The cubic root of 73361401 is about 418.6224729064.

Adding to 73361401 its reverse (10416337), we get a palindrome (83777738).

The spelling of 73361401 in words is "seventy-three million, three hundred sixty-one thousand, four hundred one".