73660212 has 48 divisors (see below), whose sum is σ = 193607680. Its totient is φ = 24214464.

The previous prime is 73660199. The next prime is 73660219. The reversal of 73660212 is 21206637.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73660219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3213 + ... + 12555.

Almost surely, 2^73660212 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 73660212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96803840).

73660212 is an abundant number, since it is smaller than the sum of its proper divisors (119947468).

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

73660212 is a wasteful number, since it uses less digits than its factorization.

73660212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9429 (or 9421 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 73660212 is about 8582.5527670967. The cubic root of 73660212 is about 419.1900717911.

Adding to 73660212 its reverse (21206637), we get a palindrome (94866849).

The spelling of 73660212 in words is "seventy-three million, six hundred sixty thousand, two hundred twelve".