73067999 has 4 divisors (see below), whose sum is σ = 73193064. Its totient is φ = 72942936.

The previous prime is 73067983. The next prime is 73068013. The reversal of 73067999 is 99976037.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73067999 - 2⁴ = 73067983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73067909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61652 + ... + 62825.

It is an arithmetic number, because the mean of its divisors is an integer number (18298266).

Almost surely, 2^73067999 is an apocalyptic number.

73067999 is a deficient number, since it is larger than the sum of its proper divisors (125065).

73067999 is a wasteful number, since it uses less digits than its factorization.

73067999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125064.

The product of its (nonzero) digits is 642978, while the sum is 50.

The square root of 73067999 is about 8547.9821595509. The cubic root of 73067999 is about 418.0636468943.

The spelling of 73067999 in words is "seventy-three million, sixty-seven thousand, nine hundred ninety-nine".