42983743 has 4 divisors (see below), whose sum is σ = 46891368. Its totient is φ = 39076120.

The previous prime is 42983741. The next prime is 42983747. The reversal of 42983743 is 34738924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42983743 - 2¹ = 42983741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42983696 and 42983705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42983741) 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, 1953796 + ... + 1953817.

It is an arithmetic number, because the mean of its divisors is an integer number (11722842).

Almost surely, 2^42983743 is an apocalyptic number.

42983743 is a deficient number, since it is larger than the sum of its proper divisors (3907625).

42983743 is a wasteful number, since it uses less digits than its factorization.

42983743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907624.

The product of its digits is 145152, while the sum is 40.

The square root of 42983743 is about 6556.1988224885. The cubic root of 42983743 is about 350.2956495105.

The spelling of 42983743 in words is "forty-two million, nine hundred eighty-three thousand, seven hundred forty-three".