40767427 has 2 divisors, whose sum is σ = 40767428. Its totient is φ = 40767426.

The previous prime is 40767413. The next prime is 40767437. The reversal of 40767427 is 72476704.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40767427 is a prime.

It is not a weakly prime, because it can be changed into another prime (40767437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20383713 + 20383714.

It is an arithmetic number, because the mean of its divisors is an integer number (20383714).

Almost surely, 2^40767427 is an apocalyptic number.

40767427 is a deficient number, since it is larger than the sum of its proper divisors (1).

40767427 is an equidigital number, since it uses as much as digits as its factorization.

40767427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 40767427 is about 6384.9375094828. The cubic root of 40767427 is about 344.1684854974.

The spelling of 40767427 in words is "forty million, seven hundred sixty-seven thousand, four hundred twenty-seven".