5507720073 has 12 divisors (see below), whose sum is σ = 8086016068. Its totient is φ = 3611619360.

The previous prime is 5507720069. The next prime is 5507720081. The reversal of 5507720073 is 3700277055.

It can be written as a sum of positive squares in 2 ways, for example, as 82955664 + 5424764409 = 9108^2 + 73653^2 .

It is not a de Polignac number, because 5507720073 - 2² = 5507720069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5507720173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5015590 + ... + 5016687.

Almost surely, 2^5507720073 is an apocalyptic number.

It is an amenable number.

5507720073 is a deficient number, since it is larger than the sum of its proper divisors (2578295995).

5507720073 is a wasteful number, since it uses less digits than its factorization.

5507720073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10032344 (or 10032341 counting only the distinct ones).

The product of its (nonzero) digits is 51450, while the sum is 36.

The square root of 5507720073 is about 74214.0153407697. The cubic root of 5507720073 is about 1765.9996769010. Note that the first 3 decimals are identical.

The spelling of 5507720073 in words is "five billion, five hundred seven million, seven hundred twenty thousand, seventy-three".