47677749 has 16 divisors (see below), whose sum is σ = 72878208. Its totient is φ = 27159552.

The previous prime is 47677739. The next prime is 47677759. The reversal of 47677749 is 94777674.

47677749 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 (47677739) and next prime (47677759).

It is not a de Polignac number, because 47677749 - 2⁴ = 47677733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47677709) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3709 + ... + 10445.

It is an arithmetic number, because the mean of its divisors is an integer number (4554888).

Almost surely, 2^47677749 is an apocalyptic number.

It is an amenable number.

47677749 is a deficient number, since it is larger than the sum of its proper divisors (25200459).

47677749 is a wasteful number, since it uses less digits than its factorization.

47677749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084.

The product of its digits is 2074464, while the sum is 51.

The square root of 47677749 is about 6904.9076025679. The cubic root of 47677749 is about 362.6090015448.

The spelling of 47677749 in words is "forty-seven million, six hundred seventy-seven thousand, seven hundred forty-nine".