73404479 has 2 divisors, whose sum is σ = 73404480. Its totient is φ = 73404478.

The previous prime is 73404469. The next prime is 73404563. The reversal of 73404479 is 97440437.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73404479 - 2⁸ = 73404223 is a prime.

It is a super-2 number, since 2×73404479² = 10776435074522882, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73404439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36702239 + 36702240.

It is an arithmetic number, because the mean of its divisors is an integer number (36702240).

Almost surely, 2^73404479 is an apocalyptic number.

73404479 is a deficient number, since it is larger than the sum of its proper divisors (1).

73404479 is an equidigital number, since it uses as much as digits as its factorization.

73404479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 73404479 is about 8567.6413907213. The cubic root of 73404479 is about 418.7043955979.

The spelling of 73404479 in words is "seventy-three million, four hundred four thousand, four hundred seventy-nine".