4742743 has 4 divisors (see below), whose sum is σ = 4769128. Its totient is φ = 4716360.

The previous prime is 4742719. The next prime is 4742753. The reversal of 4742743 is 3472474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3472474 = 2 ⋅1736237.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4742743 is a prime.

It is a super-2 number, since 2×4742743² = 44987222328098, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4 + 7² + 4⁷ + 2⁹ + 7² + 4¹¹ + 3¹² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4742713) 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, 12921 + ... + 13282.

It is an arithmetic number, because the mean of its divisors is an integer number (1192282).

Almost surely, 2^4742743 is an apocalyptic number.

4742743 is a deficient number, since it is larger than the sum of its proper divisors (26385).

4742743 is a wasteful number, since it uses less digits than its factorization.

4742743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26384.

The product of its digits is 18816, while the sum is 31.

The square root of 4742743 is about 2177.7839654107. The cubic root of 4742743 is about 168.0131201960.

The spelling of 4742743 in words is "four million, seven hundred forty-two thousand, seven hundred forty-three".