73082140 has 24 divisors (see below), whose sum is σ = 153658512. Its totient is φ = 29197440.

The previous prime is 73082129. The next prime is 73082161. The reversal of 73082140 is 4128037.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20275 + ... + 23605.

It is an arithmetic number, because the mean of its divisors is an integer number (6402438).

Almost surely, 2^73082140 is an apocalyptic number.

It is an amenable number.

73082140 is an abundant number, since it is smaller than the sum of its proper divisors (80576372).

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

73082140 is a wasteful number, since it uses less digits than its factorization.

73082140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437 (or 4435 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 73082140 is about 8548.8092738112. The cubic root of 73082140 is about 418.0906147269.

The spelling of 73082140 in words is "seventy-three million, eighty-two thousand, one hundred forty".