40767773 has 2 divisors, whose sum is σ = 40767774. Its totient is φ = 40767772.

The previous prime is 40767763. The next prime is 40767791. The reversal of 40767773 is 37776704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40170244 + 597529 = 6338^2 + 773^2 .

It is a cyclic number.

It is not a de Polignac number, because 40767773 - 2¹⁰ = 40766749 is a prime.

It is a super-2 number, since 2×40767773² = 3324022630759058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40767773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40767743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20383886 + 20383887.

It is an arithmetic number, because the mean of its divisors is an integer number (20383887).

Almost surely, 2^40767773 is an apocalyptic number.

It is an amenable number.

40767773 is a deficient number, since it is larger than the sum of its proper divisors (1).

40767773 is an equidigital number, since it uses as much as digits as its factorization.

40767773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172872, while the sum is 41.

The square root of 40767773 is about 6384.9646044438. The cubic root of 40767773 is about 344.1694591666.

The spelling of 40767773 in words is "forty million, seven hundred sixty-seven thousand, seven hundred seventy-three".