73980523552 has 24 divisors (see below), whose sum is σ = 156852937836. Its totient is φ = 34144856832.

The previous prime is 73980523541. The next prime is 73980523559. The reversal of 73980523552 is 25532508937.

It can be written as a sum of positive squares in 2 ways, for example, as 61482177936 + 12498345616 = 247956^2 + 111796^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73980523496 and 73980523505.

It is not an unprimeable number, because it can be changed into a prime (73980523559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88918483 + ... + 88919314.

Almost surely, 2^73980523552 is an apocalyptic number.

It is an amenable number.

73980523552 is an abundant number, since it is smaller than the sum of its proper divisors (82872414284).

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

73980523552 is a wasteful number, since it uses less digits than its factorization.

73980523552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177837820 (or 177837812 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 49.

The spelling of 73980523552 in words is "seventy-three billion, nine hundred eighty million, five hundred twenty-three thousand, five hundred fifty-two".