40671753 has 4 divisors (see below), whose sum is σ = 54229008. Its totient is φ = 27114500.

The previous prime is 40671749. The next prime is 40671773. The reversal of 40671753 is 35717604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40671753 - 2² = 40671749 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40671703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6778623 + ... + 6778628.

It is an arithmetic number, because the mean of its divisors is an integer number (13557252).

Almost surely, 2^40671753 is an apocalyptic number.

It is an amenable number.

40671753 is a deficient number, since it is larger than the sum of its proper divisors (13557255).

40671753 is a wasteful number, since it uses less digits than its factorization.

40671753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13557254.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 40671753 is about 6377.4409444541. The cubic root of 40671753 is about 343.8990402526.

The spelling of 40671753 in words is "forty million, six hundred seventy-one thousand, seven hundred fifty-three".