61275076743 has 12 divisors (see below), whose sum is σ = 86788691240. Its totient is φ = 38447106432.

The previous prime is 61275076721. The next prime is 61275076769. The reversal of 61275076743 is 34767057216.

It is not a de Polignac number, because 61275076743 - 2²⁶ = 61207967879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61275076692 and 61275076701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61275076243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35336548 + ... + 35338281.

Almost surely, 2^61275076743 is an apocalyptic number.

61275076743 is a deficient number, since it is larger than the sum of its proper divisors (25513614497).

61275076743 is a wasteful number, since it uses less digits than its factorization.

61275076743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70674866 (or 70674849 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 48.

The spelling of 61275076743 in words is "sixty-one billion, two hundred seventy-five million, seventy-six thousand, seven hundred forty-three".