73561045300 has 18 divisors (see below), whose sum is σ = 159627468518. Its totient is φ = 29424418080.

The previous prime is 73561045231. The next prime is 73561045309. The reversal of 73561045300 is 354016537.

It can be written as a sum of positive squares in 3 ways, for example, as 26255665296 + 47305380004 = 162036^2 + 217498^2 .

It is a super-2 number, since 2×73561045300² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73561045309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 367805127 + ... + 367805326.

Almost surely, 2^73561045300 is an apocalyptic number.

It is an amenable number.

73561045300 is an abundant number, since it is smaller than the sum of its proper divisors (86066423218).

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

73561045300 is a wasteful number, since it uses less digits than its factorization.

73561045300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735610467 (or 735610460 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The spelling of 73561045300 in words is "seventy-three billion, five hundred sixty-one million, forty-five thousand, three hundred".