73126660 has 48 divisors (see below), whose sum is σ = 164013696. Its totient is φ = 27320832.

The previous prime is 73126633. The next prime is 73126693. The reversal of 73126660 is 6662137.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17932 + ... + 21628.

It is an arithmetic number, because the mean of its divisors is an integer number (3416952).

Almost surely, 2^73126660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73126660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82006848).

73126660 is an abundant number, since it is smaller than the sum of its proper divisors (90887036).

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

73126660 is a wasteful number, since it uses less digits than its factorization.

73126660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3772 (or 3770 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 73126660 is about 8551.4127487802. The cubic root of 73126660 is about 418.1754946343.

Adding to 73126660 its reverse (6662137), we get a palindrome (79788797).

The spelling of 73126660 in words is "seventy-three million, one hundred twenty-six thousand, six hundred sixty".