42737743 has 8 divisors (see below), whose sum is σ = 43819776. Its totient is φ = 41659800.

The previous prime is 42737731. The next prime is 42737753. The reversal of 42737743 is 34773724.

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

It is a cyclic number.

It is not a de Polignac number, because 42737743 - 2⁹ = 42737231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42737713) 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, 38628 + ... + 39718.

It is an arithmetic number, because the mean of its divisors is an integer number (5477472).

Almost surely, 2^42737743 is an apocalyptic number.

42737743 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42737743 is a deficient number, since it is larger than the sum of its proper divisors (1082033).

42737743 is a wasteful number, since it uses less digits than its factorization.

42737743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045.

The product of its digits is 98784, while the sum is 37.

The square root of 42737743 is about 6537.4110318994. The cubic root of 42737743 is about 349.6261123011.

The spelling of 42737743 in words is "forty-two million, seven hundred thirty-seven thousand, seven hundred forty-three".