73404004417 has 2 divisors, whose sum is σ = 73404004418. Its totient is φ = 73404004416.

The previous prime is 73404004403. The next prime is 73404004567. The reversal of 73404004417 is 71440040437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52705139776 + 20698864641 = 229576^2 + 143871^2 .

It is a cyclic number.

It is not a de Polignac number, because 73404004417 - 2¹⁵ = 73403971649 is a prime.

It is not a weakly prime, because it can be changed into another prime (73404008417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36702002208 + 36702002209.

It is an arithmetic number, because the mean of its divisors is an integer number (36702002209).

Almost surely, 2^73404004417 is an apocalyptic number.

It is an amenable number.

73404004417 is a deficient number, since it is larger than the sum of its proper divisors (1).

73404004417 is an equidigital number, since it uses as much as digits as its factorization.

73404004417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 34.

The spelling of 73404004417 in words is "seventy-three billion, four hundred four million, four thousand, four hundred seventeen".