40077733 has 2 divisors, whose sum is σ = 40077734. Its totient is φ = 40077732.

The previous prime is 40077703. The next prime is 40077749. The reversal of 40077733 is 33777004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32798529 + 7279204 = 5727^2 + 2698^2 .

It is a cyclic number.

It is not a de Polignac number, because 40077733 - 2⁹ = 40077221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40077695 and 40077704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40077703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20038866 + 20038867.

It is an arithmetic number, because the mean of its divisors is an integer number (20038867).

Almost surely, 2^40077733 is an apocalyptic number.

It is an amenable number.

40077733 is a deficient number, since it is larger than the sum of its proper divisors (1).

40077733 is an equidigital number, since it uses as much as digits as its factorization.

40077733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 40077733 is about 6330.6976708733. The cubic root of 40077733 is about 342.2165819184.

The spelling of 40077733 in words is "forty million, seventy-seven thousand, seven hundred thirty-three".