40707345 has 32 divisors (see below), whose sum is σ = 75709440. Its totient is φ = 18290880.

The previous prime is 40707341. The next prime is 40707349. The reversal of 40707345 is 54370704.

It is an interprime number because it is at equal distance from previous prime (40707341) and next prime (40707349).

It is not a de Polignac number, because 40707345 - 2² = 40707341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40707341) 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 31 ways as a sum of consecutive naturals, for example, 2910 + ... + 9480.

It is an arithmetic number, because the mean of its divisors is an integer number (2365920).

Almost surely, 2^40707345 is an apocalyptic number.

It is an amenable number.

40707345 is a deficient number, since it is larger than the sum of its proper divisors (35002095).

40707345 is a wasteful number, since it uses less digits than its factorization.

40707345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6645.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 40707345 is about 6380.2307951986. The cubic root of 40707345 is about 343.9993267744. Note that the first 3 decimals are identical.

The spelling of 40707345 in words is "forty million, seven hundred seven thousand, three hundred forty-five".