47578773 has 12 divisors (see below), whose sum is σ = 69730304. Its totient is φ = 28835400.

The previous prime is 47578771. The next prime is 47578787. The reversal of 47578773 is 37787574.

It is a happy number.

It is not a de Polignac number, because 47578773 - 2¹ = 47578771 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 (47578771) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 65173 + ... + 65898.

Almost surely, 2^47578773 is an apocalyptic number.

It is an amenable number.

47578773 is a deficient number, since it is larger than the sum of its proper divisors (22151531).

47578773 is a wasteful number, since it uses less digits than its factorization.

47578773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131096 (or 131085 counting only the distinct ones).

The product of its digits is 1152480, while the sum is 48.

The square root of 47578773 is about 6897.7368027491. The cubic root of 47578773 is about 362.3579099084.

It can be divided in two parts, 4757 and 8773, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 47578773 in words is "forty-seven million, five hundred seventy-eight thousand, seven hundred seventy-three".