73939079 has 2 divisors, whose sum is σ = 73939080. Its totient is φ = 73939078.

The previous prime is 73939049. The next prime is 73939097. The reversal of 73939079 is 97093937.

Together with next prime (73939097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (97093937) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73939079 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73939039) 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, 36969539 + 36969540.

It is an arithmetic number, because the mean of its divisors is an integer number (36969540).

Almost surely, 2^73939079 is an apocalyptic number.

73939079 is a deficient number, since it is larger than the sum of its proper divisors (1).

73939079 is an equidigital number, since it uses as much as digits as its factorization.

73939079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 321489, while the sum is 47.

The square root of 73939079 is about 8598.7835767625. The cubic root of 73939079 is about 419.7184034554.

The spelling of 73939079 in words is "seventy-three million, nine hundred thirty-nine thousand, seventy-nine".