76147306 has 4 divisors (see below), whose sum is σ = 114220962. Its totient is φ = 38073652.

The previous prime is 76147297. The next prime is 76147321. The reversal of 76147306 is 60374167.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60374167 = 7 ⋅8624881.

It can be written as a sum of positive squares in only one way, i.e., 72403081 + 3744225 = 8509^2 + 1935^2 .

It is a super-2 number, since 2×76147306² = 11596824422115272, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19036825 + ... + 19036828.

Almost surely, 2^76147306 is an apocalyptic number.

76147306 is a deficient number, since it is larger than the sum of its proper divisors (38073656).

76147306 is a wasteful number, since it uses less digits than its factorization.

76147306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38073655.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 76147306 is about 8726.2423757308. The cubic root of 76147306 is about 423.8558494490.

The spelling of 76147306 in words is "seventy-six million, one hundred forty-seven thousand, three hundred six".