73623120 has 40 divisors (see below), whose sum is σ = 228232416. Its totient is φ = 19632768.

The previous prime is 73623059. The next prime is 73623149. The reversal of 73623120 is 2132637.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153142 + ... + 153621.

Almost surely, 2^73623120 is an apocalyptic number.

It is an amenable number.

73623120 is an abundant number, since it is smaller than the sum of its proper divisors (154609296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73623120 is a wasteful number, since it uses less digits than its factorization.

73623120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306779 (or 306773 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 73623120 is about 8580.3915994551. The cubic root of 73623120 is about 419.1196981646.

Adding to 73623120 its reverse (2132637), we get a palindrome (75755757).

The spelling of 73623120 in words is "seventy-three million, six hundred twenty-three thousand, one hundred twenty".