47347142 has 16 divisors (see below), whose sum is σ = 76800960. Its totient is φ = 21806208.

The previous prime is 47347141. The next prime is 47347147. The reversal of 47347142 is 24174374.

It is a junction number, because it is equal to n+sod(n) for n = 47347099 and 47347108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47347141) 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, 13217 + ... + 16412.

It is an arithmetic number, because the mean of its divisors is an integer number (4800060).

Almost surely, 2^47347142 is an apocalyptic number.

47347142 is a deficient number, since it is larger than the sum of its proper divisors (29453818).

47347142 is a wasteful number, since it uses less digits than its factorization.

47347142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29695.

The product of its digits is 18816, while the sum is 32.

The square root of 47347142 is about 6880.9259551313. The cubic root of 47347142 is about 361.7689224570.

The spelling of 47347142 in words is "forty-seven million, three hundred forty-seven thousand, one hundred forty-two".