42976893 has 4 divisors (see below), whose sum is σ = 57302528. Its totient is φ = 28651260.

The previous prime is 42976891. The next prime is 42976919. The reversal of 42976893 is 39867924.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42976893 - 2¹ = 42976891 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42976891) 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, 7162813 + ... + 7162818.

It is an arithmetic number, because the mean of its divisors is an integer number (14325632).

Almost surely, 2^42976893 is an apocalyptic number.

It is an amenable number.

42976893 is a deficient number, since it is larger than the sum of its proper divisors (14325635).

42976893 is a wasteful number, since it uses less digits than its factorization.

42976893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14325634.

The product of its digits is 653184, while the sum is 48.

The square root of 42976893 is about 6555.6763953081. The cubic root of 42976893 is about 350.2770405162.

The spelling of 42976893 in words is "forty-two million, nine hundred seventy-six thousand, eight hundred ninety-three".