61275076744 has 32 divisors (see below), whose sum is σ = 131322127680. Its totient is φ = 26257068864.

The previous prime is 61275076721. The next prime is 61275076769. The reversal of 61275076744 is 44767057216.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347514 + ... + 493270.

It is an arithmetic number, because the mean of its divisors is an integer number (4103816490).

Almost surely, 2^61275076744 is an apocalyptic number.

It is an amenable number.

61275076744 is an abundant number, since it is smaller than the sum of its proper divisors (70047050936).

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

61275076744 is a wasteful number, since it uses less digits than its factorization.

61275076744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153277 (or 153273 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 61275076744 in words is "sixty-one billion, two hundred seventy-five million, seventy-six thousand, seven hundred forty-four".