47630687 has 4 divisors (see below), whose sum is σ = 51294600. Its totient is φ = 43966776.

The previous prime is 47630669. The next prime is 47630699. The reversal of 47630687 is 78603674.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47630687 - 2⁸ = 47630431 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 (47630657) 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, 1831937 + ... + 1831962.

It is an arithmetic number, because the mean of its divisors is an integer number (12823650).

Almost surely, 2^47630687 is an apocalyptic number.

47630687 is a deficient number, since it is larger than the sum of its proper divisors (3663913).

47630687 is a wasteful number, since it uses less digits than its factorization.

47630687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663912.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 47630687 is about 6901.4988951676. The cubic root of 47630687 is about 362.4896536088.

The spelling of 47630687 in words is "forty-seven million, six hundred thirty thousand, six hundred eighty-seven".