47774738 has 8 divisors (see below), whose sum is σ = 78176880. Its totient is φ = 21715780.

The previous prime is 47774729. The next prime is 47774747. The reversal of 47774738 is 83747774.

It is a happy number.

47774738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47774729) and next prime (47774747).

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

It is a junction number, because it is equal to n+sod(n) for n = 47774692 and 47774701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085768 + ... + 1085811.

It is an arithmetic number, because the mean of its divisors is an integer number (9772110).

Almost surely, 2^47774738 is an apocalyptic number.

47774738 is a deficient number, since it is larger than the sum of its proper divisors (30402142).

47774738 is a wasteful number, since it uses less digits than its factorization.

47774738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171592.

The product of its digits is 921984, while the sum is 47.

The square root of 47774738 is about 6911.9272276262. The cubic root of 47774738 is about 362.8547154918.

The spelling of 47774738 in words is "forty-seven million, seven hundred seventy-four thousand, seven hundred thirty-eight".