42748197 has 8 divisors (see below), whose sum is σ = 57105120. Its totient is φ = 28445040.

The previous prime is 42748187. The next prime is 42748201. The reversal of 42748197 is 79184724.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42748197 - 2⁶ = 42748133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42748187) 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, 11547 + ... + 14792.

It is an arithmetic number, because the mean of its divisors is an integer number (7138140).

Almost surely, 2^42748197 is an apocalyptic number.

It is an amenable number.

42748197 is a deficient number, since it is larger than the sum of its proper divisors (14356923).

42748197 is a wasteful number, since it uses less digits than its factorization.

42748197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26883.

The product of its digits is 112896, while the sum is 42.

The square root of 42748197 is about 6538.2105350011. The cubic root of 42748197 is about 349.6546171085.

The spelling of 42748197 in words is "forty-two million, seven hundred forty-eight thousand, one hundred ninety-seven".