75994791 has 4 divisors (see below), whose sum is σ = 101326392. Its totient is φ = 50663192.

The previous prime is 75994769. The next prime is 75994801. The reversal of 75994791 is 19749957.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 75994791 - 2⁵ = 75994759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75994741) 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, 12665796 + ... + 12665801.

It is an arithmetic number, because the mean of its divisors is an integer number (25331598).

Almost surely, 2^75994791 is an apocalyptic number.

75994791 is a deficient number, since it is larger than the sum of its proper divisors (25331601).

75994791 is a wasteful number, since it uses less digits than its factorization.

75994791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25331600.

The product of its digits is 714420, while the sum is 51.

The square root of 75994791 is about 8717.4991253226. The cubic root of 75994791 is about 423.5726808338.

The spelling of 75994791 in words is "seventy-five million, nine hundred ninety-four thousand, seven hundred ninety-one".