43750047 has 16 divisors (see below), whose sum is σ = 64407168. Its totient is φ = 26194080.

The previous prime is 43750037. The next prime is 43750051. The reversal of 43750047 is 74005734.

It is not a de Polignac number, because 43750047 - 2¹⁴ = 43733663 is a prime.

It is a super-2 number, since 2×43750047² = 3828133225004418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43749996 and 43750023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43750037) 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, 5248 + ... + 10725.

It is an arithmetic number, because the mean of its divisors is an integer number (4025448).

Almost surely, 2^43750047 is an apocalyptic number.

43750047 is a deficient number, since it is larger than the sum of its proper divisors (20657121).

43750047 is a wasteful number, since it uses less digits than its factorization.

43750047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16070.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 43750047 is about 6614.3818305266. The cubic root of 43750047 is about 352.3650627834.

The spelling of 43750047 in words is "forty-three million, seven hundred fifty thousand, forty-seven".