42048993 has 8 divisors (see below), whose sum is σ = 64074688. Its totient is φ = 24027984.

The previous prime is 42048977. The next prime is 42048997. The reversal of 42048993 is 39984024.

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

It is not a de Polignac number, because 42048993 - 2⁴ = 42048977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42048997) 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, 1001146 + ... + 1001187.

It is an arithmetic number, because the mean of its divisors is an integer number (8009336).

Almost surely, 2^42048993 is an apocalyptic number.

It is an amenable number.

42048993 is a deficient number, since it is larger than the sum of its proper divisors (22025695).

42048993 is a wasteful number, since it uses less digits than its factorization.

42048993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002343.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 42048993 is about 6484.5194887517. The cubic root of 42048993 is about 347.7377714709.

Subtracting from 42048993 its reverse (39984024), we obtain a square (2064969 = 1437²).

The spelling of 42048993 in words is "forty-two million, forty-eight thousand, nine hundred ninety-three".