61070530573 has 8 divisors (see below), whose sum is σ = 66371643800. Its totient is φ = 55855614528.

The previous prime is 61070530561. The next prime is 61070530681. The reversal of 61070530573 is 37503507016.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9230982084 + 51839548489 = 96078^2 + 227683^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61070530573 - 2⁵ = 61070530541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61070530973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21547818 + ... + 21550651.

It is an arithmetic number, because the mean of its divisors is an integer number (8296455475).

Almost surely, 2^61070530573 is an apocalyptic number.

It is an amenable number.

61070530573 is a deficient number, since it is larger than the sum of its proper divisors (5301113227).

61070530573 is a wasteful number, since it uses less digits than its factorization.

61070530573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43098591.

The product of its (nonzero) digits is 66150, while the sum is 37.

It can be divided in two parts, 610705 and 30573, that added together give a triangular number (641278 = T₁₁₃₂).

The spelling of 61070530573 in words is "sixty-one billion, seventy million, five hundred thirty thousand, five hundred seventy-three".