61742044765 has 16 divisors (see below), whose sum is σ = 75438293760. Its totient is φ = 48497122240.

The previous prime is 61742044723. The next prime is 61742044799. The reversal of 61742044765 is 56744024716.

61742044765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61742044765 - 2¹¹ = 61742042717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114732 + ... + 369658.

It is an arithmetic number, because the mean of its divisors is an integer number (4714893360).

Almost surely, 2^61742044765 is an apocalyptic number.

It is an amenable number.

61742044765 is a deficient number, since it is larger than the sum of its proper divisors (13696248995).

61742044765 is a wasteful number, since it uses less digits than its factorization.

61742044765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255812.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 61742044765 in words is "sixty-one billion, seven hundred forty-two million, forty-four thousand, seven hundred sixty-five".