4742431 has 2 divisors, whose sum is σ = 4742432. Its totient is φ = 4742430.

The previous prime is 4742417. The next prime is 4742443. The reversal of 4742431 is 1342474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4742431 - 2¹¹ = 4740383 is a prime.

It is a super-2 number, since 2×4742431² = 44981303579522, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4742396 and 4742405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4742471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2371215 + 2371216.

It is an arithmetic number, because the mean of its divisors is an integer number (2371216).

Almost surely, 2^4742431 is an apocalyptic number.

4742431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4742431 is an equidigital number, since it uses as much as digits as its factorization.

4742431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 25.

The square root of 4742431 is about 2177.7123317831. The cubic root of 4742431 is about 168.0094358835.

The spelling of 4742431 in words is "four million, seven hundred forty-two thousand, four hundred thirty-one".