76749967 has 8 divisors (see below), whose sum is σ = 88092576. Its totient is φ = 65501952.

The previous prime is 76749943. The next prime is 76749983. The reversal of 76749967 is 76994767.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76749967 - 2⁷ = 76749839 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 (76749997) 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 7 ways as a sum of consecutive naturals, for example, 21898 + ... + 25159.

It is an arithmetic number, because the mean of its divisors is an integer number (11011572).

Almost surely, 2^76749967 is an apocalyptic number.

76749967 is a deficient number, since it is larger than the sum of its proper divisors (11342609).

76749967 is a wasteful number, since it uses less digits than its factorization.

76749967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47297.

The product of its digits is 4000752, while the sum is 55.

The square root of 76749967 is about 8760.7058505579. The cubic root of 76749967 is about 424.9711020720.

The spelling of 76749967 in words is "seventy-six million, seven hundred forty-nine thousand, nine hundred sixty-seven".