75971953 has 4 divisors (see below), whose sum is σ = 76065088. Its totient is φ = 75878820.

The previous prime is 75971923. The next prime is 75971977. The reversal of 75971953 is 35917957.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35917957 = 17 ⋅2112821.

It is a cyclic number.

It is not a de Polignac number, because 75971953 - 2¹³ = 75963761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75971923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45333 + ... + 46978.

It is an arithmetic number, because the mean of its divisors is an integer number (19016272).

Almost surely, 2^75971953 is an apocalyptic number.

It is an amenable number.

75971953 is a deficient number, since it is larger than the sum of its proper divisors (93135).

75971953 is an equidigital number, since it uses as much as digits as its factorization.

75971953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93134.

The product of its digits is 297675, while the sum is 46.

The square root of 75971953 is about 8716.1891328722. The cubic root of 75971953 is about 423.5302458109.

The spelling of 75971953 in words is "seventy-five million, nine hundred seventy-one thousand, nine hundred fifty-three".