75992957 has 4 divisors (see below), whose sum is σ = 76236060. Its totient is φ = 75749856.

The previous prime is 75992929. The next prime is 75992981. The reversal of 75992957 is 75929957.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1585081 + 74407876 = 1259^2 + 8626^2 .

It is a cyclic number.

It is not a de Polignac number, because 75992957 - 2⁶ = 75992893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75992899 and 75992908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75991957) 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, 121082 + ... + 121707.

It is an arithmetic number, because the mean of its divisors is an integer number (19059015).

Almost surely, 2^75992957 is an apocalyptic number.

It is an amenable number.

75992957 is a deficient number, since it is larger than the sum of its proper divisors (243103).

75992957 is a wasteful number, since it uses less digits than its factorization.

75992957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243102.

The product of its digits is 1786050, while the sum is 53.

The square root of 75992957 is about 8717.3939339690. The cubic root of 75992957 is about 423.5692734136.

The spelling of 75992957 in words is "seventy-five million, nine hundred ninety-two thousand, nine hundred fifty-seven".