73473265120 has 192 divisors, whose sum is σ = 180832684032. Its totient is φ = 28191744000.

The previous prime is 73473265111. The next prime is 73473265123. The reversal of 73473265120 is 2156237437.

It is a super-2 number, since 2×73473265120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73473265123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128674435 + ... + 128675005.

It is an arithmetic number, because the mean of its divisors is an integer number (941836896).

Almost surely, 2^73473265120 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 73473265120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90416342016).

73473265120 is an abundant number, since it is smaller than the sum of its proper divisors (107359418912).

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

73473265120 is a wasteful number, since it uses less digits than its factorization.

73473265120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 73473265120 in words is "seventy-three billion, four hundred seventy-three million, two hundred sixty-five thousand, one hundred twenty".