76542651 has 20 divisors (see below), whose sum is σ = 114580224. Its totient is φ = 50922000.

The previous prime is 76542611. The next prime is 76542667. The reversal of 76542651 is 15624567.

It is a happy number.

It is not a de Polignac number, because 76542651 - 2⁹ = 76542139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76542601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 65926 + ... + 67076.

Almost surely, 2^76542651 is an apocalyptic number.

76542651 is a deficient number, since it is larger than the sum of its proper divisors (38037573).

76542651 is a wasteful number, since it uses less digits than its factorization.

76542651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984 (or 1975 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 76542651 is about 8748.8656979062. The cubic root of 76542651 is about 424.5881149102.

The spelling of 76542651 in words is "seventy-six million, five hundred forty-two thousand, six hundred fifty-one".