73052120 has 32 divisors (see below), whose sum is σ = 169672320. Its totient is φ = 28277760.

The previous prime is 73052107. The next prime is 73052129. The reversal of 73052120 is 2125037.

It is a super-2 number, since 2×73052120² = 10673224472988800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 73052092 and 73052101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73052129) 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, 28217 + ... + 30696.

It is an arithmetic number, because the mean of its divisors is an integer number (5302260).

Almost surely, 2^73052120 is an apocalyptic number.

It is an amenable number.

73052120 is an abundant number, since it is smaller than the sum of its proper divisors (96620200).

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

73052120 is a wasteful number, since it uses less digits than its factorization.

73052120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58955 (or 58951 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 73052120 is about 8547.0532933871. The cubic root of 73052120 is about 418.0333604320.

Adding to 73052120 its reverse (2125037), we get a palindrome (75177157).

The spelling of 73052120 in words is "seventy-three million, fifty-two thousand, one hundred twenty".