76612147 has 4 divisors (see below), whose sum is σ = 76778080. Its totient is φ = 76446216.

The previous prime is 76612141. The next prime is 76612169. The reversal of 76612147 is 74121667.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74121667 = 349 ⋅212383.

It is a cyclic number.

It is not a de Polignac number, because 76612147 - 2²³ = 68223539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76612141) 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, 82272 + ... + 83197.

It is an arithmetic number, because the mean of its divisors is an integer number (19194520).

Almost surely, 2^76612147 is an apocalyptic number.

76612147 is a deficient number, since it is larger than the sum of its proper divisors (165933).

76612147 is a wasteful number, since it uses less digits than its factorization.

76612147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165932.

The product of its digits is 14112, while the sum is 34.

The square root of 76612147 is about 8752.8365116687. The cubic root of 76612147 is about 424.7165759687.

The spelling of 76612147 in words is "seventy-six million, six hundred twelve thousand, one hundred forty-seven".