75877973 has 4 divisors (see below), whose sum is σ = 76316748. Its totient is φ = 75439200.

The previous prime is 75877957. The next prime is 75878017. The reversal of 75877973 is 37977857.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37977857 = 197 ⋅192781.

It can be written as a sum of positive squares in 2 ways, for example, as 36024004 + 39853969 = 6002^2 + 6313^2 .

It is a cyclic number.

It is not a de Polignac number, because 75877973 - 2⁴ = 75877957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75870973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219128 + ... + 219473.

It is an arithmetic number, because the mean of its divisors is an integer number (19079187).

Almost surely, 2^75877973 is an apocalyptic number.

It is an amenable number.

75877973 is a deficient number, since it is larger than the sum of its proper divisors (438775).

75877973 is a wasteful number, since it uses less digits than its factorization.

75877973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438774.

The product of its digits is 2593080, while the sum is 53.

The square root of 75877973 is about 8710.7963470626. The cubic root of 75877973 is about 423.3555331047.

The spelling of 75877973 in words is "seventy-five million, eight hundred seventy-seven thousand, nine hundred seventy-three".