73032630280 has 32 divisors (see below), whose sum is σ = 164337773400. Its totient is φ = 29210500096.

The previous prime is 73032630257. The next prime is 73032630317. The reversal of 73032630280 is 8203623037.

It can be written as a sum of positive squares in 4 ways, for example, as 69359543044 + 3673087236 = 263362^2 + 60606^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422976 + ... + 570064.

Almost surely, 2^73032630280 is an apocalyptic number.

It is an amenable number.

73032630280 is an abundant number, since it is smaller than the sum of its proper divisors (91305143120).

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

73032630280 is a wasteful number, since it uses less digits than its factorization.

73032630280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159513 (or 159509 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 34.

The spelling of 73032630280 in words is "seventy-three billion, thirty-two million, six hundred thirty thousand, two hundred eighty".