42064733 has 2 divisors, whose sum is σ = 42064734. Its totient is φ = 42064732.

The previous prime is 42064721. The next prime is 42064739. The reversal of 42064733 is 33746024.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41242084 + 822649 = 6422^2 + 907^2 .

It is a cyclic number.

It is not a de Polignac number, because 42064733 - 2¹⁸ = 41802589 is a prime.

It is a super-2 number, since 2×42064733² = 3538883524722578, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42064696 and 42064705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42064739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21032366 + 21032367.

It is an arithmetic number, because the mean of its divisors is an integer number (21032367).

Almost surely, 2^42064733 is an apocalyptic number.

It is an amenable number.

42064733 is a deficient number, since it is larger than the sum of its proper divisors (1).

42064733 is an equidigital number, since it uses as much as digits as its factorization.

42064733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 42064733 is about 6485.7330349005. The cubic root of 42064733 is about 347.7811550680.

The spelling of 42064733 in words is "forty-two million, sixty-four thousand, seven hundred thirty-three".