42748472 has 32 divisors (see below), whose sum is σ = 91400400. Its totient is φ = 18568704.

The previous prime is 42748469. The next prime is 42748483. The reversal of 42748472 is 27484724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10322 + ... + 13857.

Almost surely, 2^42748472 is an apocalyptic number.

It is an amenable number.

42748472 is an abundant number, since it is smaller than the sum of its proper divisors (48651928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42748472 is a wasteful number, since it uses less digits than its factorization.

42748472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24215 (or 24211 counting only the distinct ones).

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

The square root of 42748472 is about 6538.2315651864. The cubic root of 42748472 is about 349.6553668853.

The spelling of 42748472 in words is "forty-two million, seven hundred forty-eight thousand, four hundred seventy-two".