73830399 has 4 divisors (see below), whose sum is σ = 98440536. Its totient is φ = 49220264.

The previous prime is 73830359. The next prime is 73830403. The reversal of 73830399 is 99303837.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99303837 = 3 ⋅33101279.

It is a cyclic number.

It is not a de Polignac number, because 73830399 - 2⁷ = 73830271 is a prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 73830399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73830359) 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, 12305064 + ... + 12305069.

It is an arithmetic number, because the mean of its divisors is an integer number (24610134).

Almost surely, 2^73830399 is an apocalyptic number.

73830399 is a deficient number, since it is larger than the sum of its proper divisors (24610137).

73830399 is a wasteful number, since it uses less digits than its factorization.

73830399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24610136.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 73830399 is about 8592.4617543519. The cubic root of 73830399 is about 419.5126603663.

The spelling of 73830399 in words is "seventy-three million, eight hundred thirty thousand, three hundred ninety-nine".