47054749 has 12 divisors (see below), whose sum is σ = 54891228. Its totient is φ = 40219200.

The previous prime is 47054717. The next prime is 47054767. The reversal of 47054749 is 94745074.

It can be written as a sum of positive squares in 2 ways, for example, as 9966649 + 37088100 = 3157^2 + 6090^2 .

It is not a de Polignac number, because 47054749 - 2⁵ = 47054717 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47054549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19489 + ... + 21769.

It is an arithmetic number, because the mean of its divisors is an integer number (4574269).

Almost surely, 2^47054749 is an apocalyptic number.

47054749 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

47054749 is a deficient number, since it is larger than the sum of its proper divisors (7836479).

47054749 is a wasteful number, since it uses less digits than its factorization.

47054749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716 (or 2709 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 47054749 is about 6859.6464194592. The cubic root of 47054749 is about 361.0226810283.

It can be divided in two parts, 470547 and 49, that added together give a square (470596 = 686²).

The spelling of 47054749 in words is "forty-seven million, fifty-four thousand, seven hundred forty-nine".