73407383320 has 64 divisors (see below), whose sum is σ = 171139716000. Its totient is φ = 28304360448.

The previous prime is 73407383299. The next prime is 73407383333. The reversal of 73407383320 is 2338370437.

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, 666924 + ... + 769156.

Almost surely, 2^73407383320 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 73407383320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85569858000).

73407383320 is an abundant number, since it is smaller than the sum of its proper divisors (97732332680).

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

73407383320 is a wasteful number, since it uses less digits than its factorization.

73407383320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102892 (or 102888 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 40.

The spelling of 73407383320 in words is "seventy-three billion, four hundred seven million, three hundred eighty-three thousand, three hundred twenty".