47811434 has 32 divisors (see below), whose sum is σ = 83030400. Its totient is φ = 20433600.

The previous prime is 47811431. The next prime is 47811443. The reversal of 47811434 is 43411874.

It is a super-2 number, since 2×47811434² = 4571866442272712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47811434.

It is not an unprimeable number, because it can be changed into a prime (47811431) 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, 30092 + ... + 31640.

It is an arithmetic number, because the mean of its divisors is an integer number (2594700).

Almost surely, 2^47811434 is an apocalyptic number.

47811434 is a deficient number, since it is larger than the sum of its proper divisors (35218966).

47811434 is a wasteful number, since it uses less digits than its factorization.

47811434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646.

The product of its digits is 10752, while the sum is 32.

The square root of 47811434 is about 6914.5812599173. The cubic root of 47811434 is about 362.9475951842.

The spelling of 47811434 in words is "forty-seven million, eight hundred eleven thousand, four hundred thirty-four".