7745375061 has 32 divisors (see below), whose sum is σ = 12141296000. Its totient is φ = 4866407424.

The previous prime is 7745375059. The next prime is 7745375063. The reversal of 7745375061 is 1605735477.

7745375061 is a `hidden beast` number, since 7 + 7 + 4 + 537 + 50 + 61 = 666.

7745375061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7745375059) and next prime (7745375063).

It is not a de Polignac number, because 7745375061 - 2¹ = 7745375059 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7745374998 and 7745375016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7745375063) 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 31 ways as a sum of consecutive naturals, for example, 59895 + ... + 138123.

It is an arithmetic number, because the mean of its divisors is an integer number (379415500).

Almost surely, 2^7745375061 is an apocalyptic number.

It is an amenable number.

7745375061 is a deficient number, since it is larger than the sum of its proper divisors (4395920939).

7745375061 is a wasteful number, since it uses less digits than its factorization.

7745375061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78450 (or 78444 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 45.

The square root of 7745375061 is about 88007.8124998003. The cubic root of 7745375061 is about 1978.5520704372.

The spelling of 7745375061 in words is "seven billion, seven hundred forty-five million, three hundred seventy-five thousand, sixty-one".