76534791 has 4 divisors (see below), whose sum is σ = 102046392. Its totient is φ = 51023192.

The previous prime is 76534789. The next prime is 76534807. The reversal of 76534791 is 19743567.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19743567 = 3 ⋅6581189.

It is a cyclic number.

It is not a de Polignac number, because 76534791 - 2¹ = 76534789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76534771) 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, 12755796 + ... + 12755801.

It is an arithmetic number, because the mean of its divisors is an integer number (25511598).

Almost surely, 2^76534791 is an apocalyptic number.

76534791 is a deficient number, since it is larger than the sum of its proper divisors (25511601).

76534791 is a wasteful number, since it uses less digits than its factorization.

76534791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25511600.

The product of its digits is 158760, while the sum is 42.

The square root of 76534791 is about 8748.4164852846. The cubic root of 76534791 is about 424.5735810663.

The spelling of 76534791 in words is "seventy-six million, five hundred thirty-four thousand, seven hundred ninety-one".