73583223420 has 96 divisors (see below), whose sum is σ = 237320552448. Its totient is φ = 16686577152.

The previous prime is 73583223403. The next prime is 73583223421. The reversal of 73583223420 is 2432238537.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73583223421) 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, 636417 + ... + 743096.

It is an arithmetic number, because the mean of its divisors is an integer number (2472089088).

Almost surely, 2^73583223420 is an apocalyptic number.

73583223420 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73583223420 is an abundant number, since it is smaller than the sum of its proper divisors (163737329028).

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

73583223420 is a wasteful number, since it uses less digits than its factorization.

73583223420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379659 (or 1379657 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

The spelling of 73583223420 in words is "seventy-three billion, five hundred eighty-three million, two hundred twenty-three thousand, four hundred twenty".