73830997 has 4 divisors (see below), whose sum is σ = 74320096. Its totient is φ = 73341900.

The previous prime is 73830931. The next prime is 73831001. The reversal of 73830997 is 79903837.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79903837 = 13 ⋅6146449.

It is a cyclic number.

It is not a de Polignac number, because 73830997 - 2¹⁵ = 73798229 is a prime.

It is a super-3 number, since 3×73830997³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73830797) 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, 244323 + ... + 244624.

It is an arithmetic number, because the mean of its divisors is an integer number (18580024).

Almost surely, 2^73830997 is an apocalyptic number.

It is an amenable number.

73830997 is a deficient number, since it is larger than the sum of its proper divisors (489099).

73830997 is a wasteful number, since it uses less digits than its factorization.

73830997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489098.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 73830997 is about 8592.4965522251. The cubic root of 73830997 is about 419.5137929977.

The spelling of 73830997 in words is "seventy-three million, eight hundred thirty thousand, nine hundred ninety-seven".