73204939 has 2 divisors, whose sum is σ = 73204940. Its totient is φ = 73204938.

The previous prime is 73204927. The next prime is 73204949. The reversal of 73204939 is 93940237.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73204939 - 2⁷ = 73204811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73204898 and 73204907.

It is not a weakly prime, because it can be changed into another prime (73204909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36602469 + 36602470.

It is an arithmetic number, because the mean of its divisors is an integer number (36602470).

Almost surely, 2^73204939 is an apocalyptic number.

73204939 is a deficient number, since it is larger than the sum of its proper divisors (1).

73204939 is an equidigital number, since it uses as much as digits as its factorization.

73204939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 73204939 is about 8555.9884876033. The cubic root of 73204939 is about 418.3246544903.

The spelling of 73204939 in words is "seventy-three million, two hundred four thousand, nine hundred thirty-nine".