73704973 has 2 divisors, whose sum is σ = 73704974. Its totient is φ = 73704972.

The previous prime is 73704959. The next prime is 73705001. The reversal of 73704973 is 37940737.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67930564 + 5774409 = 8242^2 + 2403^2 .

It is a cyclic number.

It is not a de Polignac number, because 73704973 - 2¹⁷ = 73573901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73704373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36852486 + 36852487.

It is an arithmetic number, because the mean of its divisors is an integer number (36852487).

Almost surely, 2^73704973 is an apocalyptic number.

It is an amenable number.

73704973 is a deficient number, since it is larger than the sum of its proper divisors (1).

73704973 is an equidigital number, since it uses as much as digits as its factorization.

73704973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111132, while the sum is 40.

The square root of 73704973 is about 8585.1600451011. The cubic root of 73704973 is about 419.2749641499.

The spelling of 73704973 in words is "seventy-three million, seven hundred four thousand, nine hundred seventy-three".