42767293 has 2 divisors, whose sum is σ = 42767294. Its totient is φ = 42767292.

The previous prime is 42767267. The next prime is 42767297. The reversal of 42767293 is 39276724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33200644 + 9566649 = 5762^2 + 3093^2 .

It is a cyclic number.

It is not a de Polignac number, because 42767293 - 2⁵ = 42767261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42767297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21383646 + 21383647.

It is an arithmetic number, because the mean of its divisors is an integer number (21383647).

Almost surely, 2^42767293 is an apocalyptic number.

It is an amenable number.

42767293 is a deficient number, since it is larger than the sum of its proper divisors (1).

42767293 is an equidigital number, since it uses as much as digits as its factorization.

42767293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 40.

The square root of 42767293 is about 6539.6707103646. The cubic root of 42767293 is about 349.7066739675.

The spelling of 42767293 in words is "forty-two million, seven hundred sixty-seven thousand, two hundred ninety-three".