47730746 has 8 divisors (see below), whose sum is σ = 81824160. Its totient is φ = 20456028.

The previous prime is 47730743. The next prime is 47730751. The reversal of 47730746 is 64703774.

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

It is a super-2 number, since 2×47730746² = 4556448227433032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47730743) 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 3 ways as a sum of consecutive naturals, for example, 1704656 + ... + 1704683.

It is an arithmetic number, because the mean of its divisors is an integer number (10228020).

Almost surely, 2^47730746 is an apocalyptic number.

47730746 is a deficient number, since it is larger than the sum of its proper divisors (34093414).

47730746 is a wasteful number, since it uses less digits than its factorization.

47730746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409348.

The product of its (nonzero) digits is 98784, while the sum is 38.

The square root of 47730746 is about 6908.7441695289. The cubic root of 47730746 is about 362.7433064960.

The spelling of 47730746 in words is "forty-seven million, seven hundred thirty thousand, seven hundred forty-six".