73659923 has 2 divisors, whose sum is σ = 73659924. Its totient is φ = 73659922.

The previous prime is 73659917. The next prime is 73659931. The reversal of 73659923 is 32995637.

It is a weak prime.

It is an emirp because it is prime and its reverse (32995637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73659923 - 2¹⁶ = 73594387 is a prime.

It is not a weakly prime, because it can be changed into another prime (73659953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36829961 + 36829962.

It is an arithmetic number, because the mean of its divisors is an integer number (36829962).

Almost surely, 2^73659923 is an apocalyptic number.

73659923 is a deficient number, since it is larger than the sum of its proper divisors (1).

73659923 is an equidigital number, since it uses as much as digits as its factorization.

73659923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 44.

The square root of 73659923 is about 8582.5359305977. The cubic root of 73659923 is about 419.1895235707.

The spelling of 73659923 in words is "seventy-three million, six hundred fifty-nine thousand, nine hundred twenty-three".