47234782 has 16 divisors (see below), whose sum is σ = 81106272. Its totient is φ = 20210400.

The previous prime is 47234777. The next prime is 47234783. The reversal of 47234782 is 28743274.

It is a super-2 number, since 2×47234782² = 4462249261175048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47234783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7408 + ... + 12220.

It is an arithmetic number, because the mean of its divisors is an integer number (5069142).

Almost surely, 2^47234782 is an apocalyptic number.

47234782 is a deficient number, since it is larger than the sum of its proper divisors (33871490).

47234782 is a wasteful number, since it uses less digits than its factorization.

47234782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5523.

The product of its digits is 75264, while the sum is 37.

The square root of 47234782 is about 6872.7565066718. The cubic root of 47234782 is about 361.4825232418.

The spelling of 47234782 in words is "forty-seven million, two hundred thirty-four thousand, seven hundred eighty-two".