40767021 has 12 divisors (see below), whose sum is σ = 59765472. Its totient is φ = 26771976.

The previous prime is 40767019. The next prime is 40767029. The reversal of 40767021 is 12076704.

40767021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40767021 - 2¹ = 40767019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40767029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33201 + ... + 34406.

It is an arithmetic number, because the mean of its divisors is an integer number (4980456).

Almost surely, 2^40767021 is an apocalyptic number.

It is an amenable number.

40767021 is a deficient number, since it is larger than the sum of its proper divisors (18998451).

40767021 is a wasteful number, since it uses less digits than its factorization.

40767021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67680 (or 67677 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 40767021 is about 6384.9057158270. The cubic root of 40767021 is about 344.1673429768.

The spelling of 40767021 in words is "forty million, seven hundred sixty-seven thousand, twenty-one".