61722275675 has 12 divisors (see below), whose sum is σ = 80563813080. Its totient is φ = 46778987520.

The previous prime is 61722275663. The next prime is 61722275707. The reversal of 61722275675 is 57657222716.

It is not a de Polignac number, because 61722275675 - 2¹⁰ = 61722274651 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64970342 + ... + 64971291.

It is an arithmetic number, because the mean of its divisors is an integer number (6713651090).

Almost surely, 2^61722275675 is an apocalyptic number.

61722275675 is a deficient number, since it is larger than the sum of its proper divisors (18841537405).

61722275675 is a wasteful number, since it uses less digits than its factorization.

61722275675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129941662 (or 129941657 counting only the distinct ones).

The product of its digits is 2469600, while the sum is 50.

The spelling of 61722275675 in words is "sixty-one billion, seven hundred twenty-two million, two hundred seventy-five thousand, six hundred seventy-five".