75955971 has 16 divisors (see below), whose sum is σ = 124646144. Its totient is φ = 40064544.

The previous prime is 75955963. The next prime is 75955981. The reversal of 75955971 is 17955957.

It is not a de Polignac number, because 75955971 - 2³ = 75955963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75955971.

It is not an unprimeable number, because it can be changed into a prime (75955981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138841 + ... + 139386.

It is an arithmetic number, because the mean of its divisors is an integer number (7790384).

Almost surely, 2^75955971 is an apocalyptic number.

75955971 is a deficient number, since it is larger than the sum of its proper divisors (48690173).

75955971 is a wasteful number, since it uses less digits than its factorization.

75955971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278250.

The product of its digits is 496125, while the sum is 48.

The square root of 75955971 is about 8715.2722849031. The cubic root of 75955971 is about 423.5005447838.

The spelling of 75955971 in words is "seventy-five million, nine hundred fifty-five thousand, nine hundred seventy-one".