47691506 has 8 divisors (see below), whose sum is σ = 71823024. Its totient is φ = 23750500.

The previous prime is 47691499. The next prime is 47691559. The reversal of 47691506 is 60519674.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 47691506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47000 + ... + 48003.

It is an arithmetic number, because the mean of its divisors is an integer number (8977878).

Almost surely, 2^47691506 is an apocalyptic number.

47691506 is a deficient number, since it is larger than the sum of its proper divisors (24131518).

47691506 is a wasteful number, since it uses less digits than its factorization.

47691506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95256.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 47691506 is about 6905.9037062502. The cubic root of 47691506 is about 362.6438740827.

The spelling of 47691506 in words is "forty-seven million, six hundred ninety-one thousand, five hundred six".