40747605 has 32 divisors (see below), whose sum is σ = 68898816. Its totient is φ = 20522304.

The previous prime is 40747601. The next prime is 40747627. The reversal of 40747605 is 50674704.

40747605 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 40747605 - 2² = 40747601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40747601) 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 31 ways as a sum of consecutive naturals, for example, 27924 + ... + 29346.

It is an arithmetic number, because the mean of its divisors is an integer number (2153088).

Almost surely, 2^40747605 is an apocalyptic number.

It is an amenable number.

40747605 is a deficient number, since it is larger than the sum of its proper divisors (28151211).

40747605 is a wasteful number, since it uses less digits than its factorization.

40747605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 40747605 is about 6383.3850737677. The cubic root of 40747605 is about 344.1126957472.

The spelling of 40747605 in words is "forty million, seven hundred forty-seven thousand, six hundred five".