47742284 has 12 divisors (see below), whose sum is σ = 85807344. Its totient is φ = 23225904.

The previous prime is 47742283. The next prime is 47742311. The reversal of 47742284 is 48224774.

It is not an unprimeable number, because it can be changed into a prime (47742281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161144 + ... + 161439.

It is an arithmetic number, because the mean of its divisors is an integer number (7150612).

Almost surely, 2^47742284 is an apocalyptic number.

It is an amenable number.

47742284 is a deficient number, since it is larger than the sum of its proper divisors (38065060).

47742284 is a wasteful number, since it uses less digits than its factorization.

47742284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322624 (or 322622 counting only the distinct ones).

The product of its digits is 100352, while the sum is 38.

The square root of 47742284 is about 6909.5791478208. The cubic root of 47742284 is about 362.7725329061.

The spelling of 47742284 in words is "forty-seven million, seven hundred forty-two thousand, two hundred eighty-four".