76630047 has 32 divisors (see below), whose sum is σ = 114487296. Its totient is φ = 45273600.

The previous prime is 76630039. The next prime is 76630061. The reversal of 76630047 is 74003667.

It is not a de Polignac number, because 76630047 - 2³ = 76630039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76630007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291238 + ... + 291500.

It is an arithmetic number, because the mean of its divisors is an integer number (3577728).

Almost surely, 2^76630047 is an apocalyptic number.

76630047 is a deficient number, since it is larger than the sum of its proper divisors (37857249).

76630047 is a wasteful number, since it uses less digits than its factorization.

76630047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 76630047 is about 8753.8589776167. The cubic root of 76630047 is about 424.7496509444.

The spelling of 76630047 in words is "seventy-six million, six hundred thirty thousand, forty-seven".