61247010317742 has 32 divisors (see below), whose sum is σ = 136316798912160. Its totient is φ = 20383820375040.

The previous prime is 61247010317693. The next prime is 61247010317749. The reversal of 61247010317742 is 24771301074216.

61247010317742 is a `hidden beast` number, since 6 + 1 + 2 + 470 + 1 + 0 + 3 + 177 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61247010317749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884679813 + ... + 884749040.

It is an arithmetic number, because the mean of its divisors is an integer number (4259899966005).

Almost surely, 2^{61247010317742} is an apocalyptic number.

61247010317742 is an abundant number, since it is smaller than the sum of its proper divisors (75069788594418).

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

61247010317742 is a wasteful number, since it uses less digits than its factorization.

61247010317742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769429505 (or 1769429499 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The spelling of 61247010317742 in words is "sixty-one trillion, two hundred forty-seven billion, ten million, three hundred seventeen thousand, seven hundred forty-two".