73348220 has 48 divisors (see below), whose sum is σ = 169749216. Its totient is φ = 26400000.

The previous prime is 73348213. The next prime is 73348241. The reversal of 73348220 is 2284337.

It is a super-2 number, since 2×73348220² = 10759922754336800, which contains 22 as substring.

It is a congruent number.

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, 20570 + ... + 23870.

It is an arithmetic number, because the mean of its divisors is an integer number (3536442).

Almost surely, 2^73348220 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 73348220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84874608).

73348220 is an abundant number, since it is smaller than the sum of its proper divisors (96400996).

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

73348220 is a wasteful number, since it uses less digits than its factorization.

73348220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422 (or 3420 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 73348220 is about 8564.3575357408. The cubic root of 73348220 is about 418.5973998060.

The spelling of 73348220 in words is "seventy-three million, three hundred forty-eight thousand, two hundred twenty".