73994423 has 2 divisors, whose sum is σ = 73994424. Its totient is φ = 73994422.

The previous prime is 73994419. The next prime is 73994441. The reversal of 73994423 is 32449937.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73994423 - 2² = 73994419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73934423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36997211 + 36997212.

It is an arithmetic number, because the mean of its divisors is an integer number (36997212).

Almost surely, 2^73994423 is an apocalyptic number.

73994423 is a deficient number, since it is larger than the sum of its proper divisors (1).

73994423 is an equidigital number, since it uses as much as digits as its factorization.

73994423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 41.

The square root of 73994423 is about 8602.0011043943. The cubic root of 73994423 is about 419.8230982139.

The spelling of 73994423 in words is "seventy-three million, nine hundred ninety-four thousand, four hundred twenty-three".