75146707071 has 32 divisors (see below), whose sum is σ = 114365675520. Its totient is φ = 48731728032.

The previous prime is 75146707067. The next prime is 75146707171. The reversal of 75146707071 is 17070764157.

75146707071 is a `hidden beast` number, since 7 + 51 + 467 + 0 + 70 + 71 = 666.

It is not a de Polignac number, because 75146707071 - 2² = 75146707067 is a prime.

It is a super-2 number, since 2×75146707071² (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 (75146707001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5890726 + ... + 5903468.

It is an arithmetic number, because the mean of its divisors is an integer number (3573927360).

Almost surely, 2^75146707071 is an apocalyptic number.

75146707071 is a deficient number, since it is larger than the sum of its proper divisors (39218968449).

75146707071 is a wasteful number, since it uses less digits than its factorization.

75146707071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18692 (or 18686 counting only the distinct ones).

The product of its (nonzero) digits is 288120, while the sum is 45.

The spelling of 75146707071 in words is "seventy-five billion, one hundred forty-six million, seven hundred seven thousand, seventy-one".