61974093685760 has 44 divisors (see below), whose sum is σ = 148665198967068. Its totient is φ = 24789637472256.

The previous prime is 61974093685727. The next prime is 61974093685813. The reversal of 61974093685760 is 6758639047916.

61974093685760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14819173786624 + 47154919899136 = 3849568^2 + 6866944^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6052152467 + ... + 6052162706.

Almost surely, 2^{61974093685760} is an apocalyptic number.

It is an amenable number.

61974093685760 is an abundant number, since it is smaller than the sum of its proper divisors (86691105281308).

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

61974093685760 is a wasteful number, since it uses less digits than its factorization.

61974093685760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12104315198 (or 12104315180 counting only the distinct ones).

The product of its (nonzero) digits is 411505920, while the sum is 71.

The spelling of 61974093685760 in words is "sixty-one trillion, nine hundred seventy-four billion, ninety-three million, six hundred eighty-five thousand, seven hundred sixty".