40286773 has 2 divisors, whose sum is σ = 40286774. Its totient is φ = 40286772.

The previous prime is 40286767. The next prime is 40286791. The reversal of 40286773 is 37768204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37859409 + 2427364 = 6153^2 + 1558^2 .

It is a cyclic number.

It is not a de Polignac number, because 40286773 - 2¹⁷ = 40155701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40286573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20143386 + 20143387.

It is an arithmetic number, because the mean of its divisors is an integer number (20143387).

Almost surely, 2^40286773 is an apocalyptic number.

It is an amenable number.

40286773 is a deficient number, since it is larger than the sum of its proper divisors (1).

40286773 is an equidigital number, since it uses as much as digits as its factorization.

40286773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 40286773 is about 6347.1862269828. The cubic root of 40286773 is about 342.8105354883.

Subtracting from 40286773 its reverse (37768204), we obtain a square (2518569 = 1587²).

It can be divided in two parts, 4028 and 6773, that added together give a palindrome (10801).

The spelling of 40286773 in words is "forty million, two hundred eighty-six thousand, seven hundred seventy-three".