76534047 has 12 divisors (see below), whose sum is σ = 111623824. Its totient is φ = 50526720.

The previous prime is 76534043. The next prime is 76534061. The reversal of 76534047 is 74043567.

It is not a de Polignac number, because 76534047 - 2² = 76534043 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 (76534043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40354 + ... + 42207.

Almost surely, 2^76534047 is an apocalyptic number.

76534047 is a deficient number, since it is larger than the sum of its proper divisors (35089777).

76534047 is a wasteful number, since it uses less digits than its factorization.

76534047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82670 (or 82667 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 76534047 is about 8748.3739632002. The cubic root of 76534047 is about 424.5722052922.

The spelling of 76534047 in words is "seventy-six million, five hundred thirty-four thousand, forty-seven".