47476786 has 12 divisors (see below), whose sum is σ = 82842318. Its totient is φ = 20347152.

The previous prime is 47476771. The next prime is 47476787. The reversal of 47476786 is 68767474.

It can be written as a sum of positive squares in only one way, i.e., 38204761 + 9272025 = 6181^2 + 3045^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (47476787) 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 5 ways as a sum of consecutive naturals, for example, 242131 + ... + 242326.

Almost surely, 2^47476786 is an apocalyptic number.

47476786 is a deficient number, since it is larger than the sum of its proper divisors (35365532).

47476786 is a wasteful number, since it uses less digits than its factorization.

47476786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484473 (or 484466 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 49.

The square root of 47476786 is about 6890.3400496637. The cubic root of 47476786 is about 362.0988151432.

The spelling of 47476786 in words is "forty-seven million, four hundred seventy-six thousand, seven hundred eighty-six".