73072860 has 96 divisors (see below), whose sum is σ = 246167040. Its totient is φ = 15821568.

The previous prime is 73072847. The next prime is 73072897. The reversal of 73072860 is 6827037.

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 31 ways as a sum of consecutive naturals, for example, 3402 + ... + 12558.

It is an arithmetic number, because the mean of its divisors is an integer number (2564240).

Almost surely, 2^73072860 is an apocalyptic number.

73072860 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73072860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123083520).

73072860 is an abundant number, since it is smaller than the sum of its proper divisors (173094180).

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

73072860 is a wasteful number, since it uses less digits than its factorization.

73072860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9195 (or 9193 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 73072860 is about 8548.2664909325. The cubic root of 73072860 is about 418.0729175388.

Adding to 73072860 its reverse (6827037), we get a palindrome (79899897).

The spelling of 73072860 in words is "seventy-three million, seventy-two thousand, eight hundred sixty".