76681367 has 4 divisors (see below), whose sum is σ = 87635856. Its totient is φ = 65726880.

The previous prime is 76681351. The next prime is 76681369. The reversal of 76681367 is 76318667.

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 76681367 - 2⁴ = 76681351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76681369) 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, 5477234 + ... + 5477247.

It is an arithmetic number, because the mean of its divisors is an integer number (21908964).

Almost surely, 2^76681367 is an apocalyptic number.

76681367 is a deficient number, since it is larger than the sum of its proper divisors (10954489).

76681367 is a wasteful number, since it uses less digits than its factorization.

76681367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10954488.

The product of its digits is 254016, while the sum is 44.

The square root of 76681367 is about 8756.7897656618. The cubic root of 76681367 is about 424.8444496498.

The spelling of 76681367 in words is "seventy-six million, six hundred eighty-one thousand, three hundred sixty-seven".