42751743 has 8 divisors (see below), whose sum is σ = 57535488. Its totient is φ = 28234584.

The previous prime is 42751703. The next prime is 42751763. The reversal of 42751743 is 34715724.

42751743 is nontrivially palindromic in base 13.

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

It is not a de Polignac number, because 42751743 - 2¹³ = 42743551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42751703) 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, 66271 + ... + 66912.

It is an arithmetic number, because the mean of its divisors is an integer number (7191936).

Almost surely, 2^42751743 is an apocalyptic number.

42751743 is a deficient number, since it is larger than the sum of its proper divisors (14783745).

42751743 is a wasteful number, since it uses less digits than its factorization.

42751743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133293.

The product of its digits is 23520, while the sum is 33.

The square root of 42751743 is about 6538.4817044938. The cubic root of 42751743 is about 349.6642848924.

The spelling of 42751743 in words is "forty-two million, seven hundred fifty-one thousand, seven hundred forty-three".