61733476745 has 32 divisors (see below), whose sum is σ = 83697338880. Its totient is φ = 43431966720.

The previous prime is 61733476741. The next prime is 61733476747. The reversal of 61733476745 is 54767433716.

It is not a de Polignac number, because 61733476745 - 2² = 61733476741 is a prime.

It is a super-2 number, since 2×61733476745² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (61733476741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143921 + ... + 379710.

It is an arithmetic number, because the mean of its divisors is an integer number (2615541840).

Almost surely, 2^61733476745 is an apocalyptic number.

It is an amenable number.

61733476745 is a deficient number, since it is larger than the sum of its proper divisors (21963862135).

61733476745 is a wasteful number, since it uses less digits than its factorization.

61733476745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523745.

The product of its digits is 8890560, while the sum is 53.

The spelling of 61733476745 in words is "sixty-one billion, seven hundred thirty-three million, four hundred seventy-six thousand, seven hundred forty-five".