47247434 has 16 divisors (see below), whose sum is σ = 76440840. Its totient is φ = 21772800.

The previous prime is 47247419. The next prime is 47247449. The reversal of 47247434 is 43474274.

It is an interprime number because it is at equal distance from previous prime (47247419) and next prime (47247449).

It can be written as a sum of positive squares in 4 ways, for example, as 18464209 + 28783225 = 4297^2 + 5365^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47247394 and 47247403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25334 + ... + 27134.

Almost surely, 2^47247434 is an apocalyptic number.

47247434 is a deficient number, since it is larger than the sum of its proper divisors (29193406).

47247434 is a wasteful number, since it uses less digits than its factorization.

47247434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825.

The product of its digits is 75264, while the sum is 35.

The square root of 47247434 is about 6873.6768908642. The cubic root of 47247434 is about 361.5147951427.

The spelling of 47247434 in words is "forty-seven million, two hundred forty-seven thousand, four hundred thirty-four".