73473401 has 2 divisors, whose sum is σ = 73473402. Its totient is φ = 73473400.

The previous prime is 73473383. The next prime is 73473409. The reversal of 73473401 is 10437437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41267776 + 32205625 = 6424^2 + 5675^2 .

It is an emirp because it is prime and its reverse (10437437) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73473401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73473409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36736700 + 36736701.

It is an arithmetic number, because the mean of its divisors is an integer number (36736701).

Almost surely, 2^73473401 is an apocalyptic number.

It is an amenable number.

73473401 is a deficient number, since it is larger than the sum of its proper divisors (1).

73473401 is an equidigital number, since it uses as much as digits as its factorization.

73473401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 73473401 is about 8571.6626741840. The cubic root of 73473401 is about 418.8353999433.

The spelling of 73473401 in words is "seventy-three million, four hundred seventy-three thousand, four hundred one".