42766357 has 2 divisors, whose sum is σ = 42766358. Its totient is φ = 42766356.

The previous prime is 42766351. The next prime is 42766363. The reversal of 42766357 is 75366724.

It is a balanced prime because it is at equal distance from previous prime (42766351) and next prime (42766363).

It can be written as a sum of positive squares in only one way, i.e., 32787076 + 9979281 = 5726^2 + 3159^2 .

It is a cyclic number.

It is not a de Polignac number, because 42766357 - 2¹⁹ = 42242069 is a prime.

It is a super-2 number, since 2×42766357² = 3657922582102898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42766351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21383178 + 21383179.

It is an arithmetic number, because the mean of its divisors is an integer number (21383179).

Almost surely, 2^42766357 is an apocalyptic number.

It is an amenable number.

42766357 is a deficient number, since it is larger than the sum of its proper divisors (1).

42766357 is an equidigital number, since it uses as much as digits as its factorization.

42766357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 40.

The square root of 42766357 is about 6539.5991467367. The cubic root of 42766357 is about 349.7041227357.

The spelling of 42766357 in words is "forty-two million, seven hundred sixty-six thousand, three hundred fifty-seven".