42733771 has 2 divisors, whose sum is σ = 42733772. Its totient is φ = 42733770.

The previous prime is 42733753. The next prime is 42733781. The reversal of 42733771 is 17733724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42733771 - 2⁷ = 42733643 is a prime.

It is equal to p_2589451 and since 42733771 and 2589451 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (42733711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21366885 + 21366886.

It is an arithmetic number, because the mean of its divisors is an integer number (21366886).

Almost surely, 2^42733771 is an apocalyptic number.

42733771 is a deficient number, since it is larger than the sum of its proper divisors (1).

42733771 is an equidigital number, since it uses as much as digits as its factorization.

42733771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24696, while the sum is 34.

The square root of 42733771 is about 6537.1072348555. The cubic root of 42733771 is about 349.6152806736.

The spelling of 42733771 in words is "forty-two million, seven hundred thirty-three thousand, seven hundred seventy-one".