73799999 has 8 divisors (see below), whose sum is σ = 90830880. Its totient is φ = 58391136.

The previous prime is 73799981. The next prime is 73800053. The reversal of 73799999 is 99999737.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73799999 is a prime.

73799999 is a modest number, since divided by 9999 gives 7379 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73799909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405404 + ... + 405585.

It is an arithmetic number, because the mean of its divisors is an integer number (11353860).

Almost surely, 2^73799999 is an apocalyptic number.

73799999 is a deficient number, since it is larger than the sum of its proper divisors (17030881).

73799999 is a wasteful number, since it uses less digits than its factorization.

73799999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811009.

The product of its digits is 8680203, while the sum is 62.

The square root of 73799999 is about 8590.6925797633. The cubic root of 73799999 is about 419.4550737180.

The spelling of 73799999 in words is "seventy-three million, seven hundred ninety-nine thousand, nine hundred ninety-nine".