61753540207 has 8 divisors (see below), whose sum is σ = 63200221200. Its totient is φ = 60320193024.

The previous prime is 61753540181. The next prime is 61753540223. The reversal of 61753540207 is 70204535716.

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 61753540207 - 2³⁵ = 27393801839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61753540207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61753540007) 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, 3324082 + ... + 3342607.

It is an arithmetic number, because the mean of its divisors is an integer number (7900027650).

Almost surely, 2^61753540207 is an apocalyptic number.

61753540207 is a deficient number, since it is larger than the sum of its proper divisors (1446680993).

61753540207 is a wasteful number, since it uses less digits than its factorization.

61753540207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6666905.

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 61753540207 in words is "sixty-one billion, seven hundred fifty-three million, five hundred forty thousand, two hundred seven".