42733751 has 2 divisors, whose sum is σ = 42733752. Its totient is φ = 42733750.

The previous prime is 42733729. The next prime is 42733753. The reversal of 42733751 is 15733724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42733751 - 2⁶ = 42733687 is a prime.

Together with 42733753, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42733753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21366875 + 21366876.

It is an arithmetic number, because the mean of its divisors is an integer number (21366876).

Almost surely, 2^42733751 is an apocalyptic number.

42733751 is a deficient number, since it is larger than the sum of its proper divisors (1).

42733751 is an equidigital number, since it uses as much as digits as its factorization.

42733751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 32.

The square root of 42733751 is about 6537.1057051267. The cubic root of 42733751 is about 349.6152261319.

The spelling of 42733751 in words is "forty-two million, seven hundred thirty-three thousand, seven hundred fifty-one".