73464272320 has 112 divisors (see below), whose sum is σ = 179363985696. Its totient is φ = 28660377600.

The previous prime is 73464272309. The next prime is 73464272339. The reversal of 73464272320 is 2327246437.

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

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, 22053055 + ... + 22056385.

It is an arithmetic number, because the mean of its divisors is an integer number (1601464158).

Almost surely, 2^73464272320 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 73464272320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89681992848).

73464272320 is an abundant number, since it is smaller than the sum of its proper divisors (105899713376).

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

73464272320 is an frugal number, since it uses more digits than its factorization.

73464272320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471 (or 3379 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 40.

The spelling of 73464272320 in words is "seventy-three billion, four hundred sixty-four million, two hundred seventy-two thousand, three hundred twenty".