47494749 has 16 divisors (see below), whose sum is σ = 64703232. Its totient is φ = 30981888.

The previous prime is 47494729. The next prime is 47494751. The reversal of 47494749 is 94749474.

It is not a de Polignac number, because 47494749 - 2⁷ = 47494621 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 47494698 and 47494707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47494709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29212 + ... + 30794.

It is an arithmetic number, because the mean of its divisors is an integer number (4043952).

Almost surely, 2^47494749 is an apocalyptic number.

It is an amenable number.

47494749 is a deficient number, since it is larger than the sum of its proper divisors (17208483).

47494749 is a wasteful number, since it uses less digits than its factorization.

47494749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796.

The product of its digits is 1016064, while the sum is 48.

The square root of 47494749 is about 6891.6434179374. The cubic root of 47494749 is about 362.1444764822.

The spelling of 47494749 in words is "forty-seven million, four hundred ninety-four thousand, seven hundred forty-nine".