75691093 has 4 divisors (see below), whose sum is σ = 75872160. Its totient is φ = 75510028.

The previous prime is 75691069. The next prime is 75691127. The reversal of 75691093 is 39019657.

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: 39019657 = 383 ⋅101879.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75691093 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75691013) 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, 89905 + ... + 90742.

It is an arithmetic number, because the mean of its divisors is an integer number (18968040).

Almost surely, 2^75691093 is an apocalyptic number.

It is an amenable number.

75691093 is a deficient number, since it is larger than the sum of its proper divisors (181067).

75691093 is a wasteful number, since it uses less digits than its factorization.

75691093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181066.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 75691093 is about 8700.0628158652. The cubic root of 75691093 is about 423.0076863356.

The spelling of 75691093 in words is "seventy-five million, six hundred ninety-one thousand, ninety-three".