73404043 has 2 divisors, whose sum is σ = 73404044. Its totient is φ = 73404042.

The previous prime is 73404029. The next prime is 73404047. The reversal of 73404043 is 34040437.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73404043 - 2⁹ = 73403531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73403999 and 73404017.

It is not a weakly prime, because it can be changed into another prime (73404047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36702021 + 36702022.

It is an arithmetic number, because the mean of its divisors is an integer number (36702022).

Almost surely, 2^73404043 is an apocalyptic number.

73404043 is a deficient number, since it is larger than the sum of its proper divisors (1).

73404043 is an equidigital number, since it uses as much as digits as its factorization.

73404043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 73404043 is about 8567.6159461078. The cubic root of 73404043 is about 418.7035666046.

The spelling of 73404043 in words is "seventy-three million, four hundred four thousand, forty-three".