74706810712 has 8 divisors (see below), whose sum is σ = 140075270100. Its totient is φ = 37353405352.

The previous prime is 74706810637. The next prime is 74706810719. The reversal of 74706810712 is 21701860747.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×74706810712² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74706810719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4669175662 + ... + 4669175677.

Almost surely, 2^74706810712 is an apocalyptic number.

It is an amenable number.

74706810712 is a deficient number, since it is larger than the sum of its proper divisors (65368459388).

74706810712 is a wasteful number, since it uses less digits than its factorization.

74706810712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9338351345 (or 9338351341 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 43.

The spelling of 74706810712 in words is "seventy-four billion, seven hundred six million, eight hundred ten thousand, seven hundred twelve".