76943693 has 4 divisors (see below), whose sum is σ = 77282880. Its totient is φ = 76604508.

The previous prime is 76943639. The next prime is 76943707. The reversal of 76943693 is 39634967.

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.

It is a cyclic number.

It is not a de Polignac number, because 76943693 - 2¹⁴ = 76927309 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 (76940693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169253 + ... + 169706.

It is an arithmetic number, because the mean of its divisors is an integer number (19320720).

Almost surely, 2^76943693 is an apocalyptic number.

It is an amenable number.

76943693 is a deficient number, since it is larger than the sum of its proper divisors (339187).

76943693 is a wasteful number, since it uses less digits than its factorization.

76943693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339186.

The product of its digits is 734832, while the sum is 47.

The square root of 76943693 is about 8771.7554115468. The cubic root of 76943693 is about 425.3283607715.

The spelling of 76943693 in words is "seventy-six million, nine hundred forty-three thousand, six hundred ninety-three".