73072960 has 28 divisors (see below), whose sum is σ = 174005748. Its totient is φ = 29229056.

The previous prime is 73072957. The next prime is 73072963. The reversal of 73072960 is 6927037.

It is an interprime number because it is at equal distance from previous prime (73072957) and next prime (73072963).

It can be written as a sum of positive squares in 2 ways, for example, as 49336576 + 23736384 = 7024^2 + 4872^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73072963) 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, 113857 + ... + 114496.

It is an arithmetic number, because the mean of its divisors is an integer number (6214491).

Almost surely, 2^73072960 is an apocalyptic number.

It is an amenable number.

73072960 is an abundant number, since it is smaller than the sum of its proper divisors (100932788).

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

73072960 is a wasteful number, since it uses less digits than its factorization.

73072960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228370 (or 228360 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 73072960 is about 8548.2723400697. The cubic root of 73072960 is about 418.0731082492.

Adding to 73072960 its reverse (6927037), we get a palindrome (79999997).

The spelling of 73072960 in words is "seventy-three million, seventy-two thousand, nine hundred sixty".