40705743 has 16 divisors (see below), whose sum is σ = 59877216. Its totient is φ = 24437760.

The previous prime is 40705711. The next prime is 40705787. The reversal of 40705743 is 34750704.

It is not a de Polignac number, because 40705743 - 2⁵ = 40705711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40705743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40705793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11130 + ... + 14327.

It is an arithmetic number, because the mean of its divisors is an integer number (3742326).

Almost surely, 2^40705743 is an apocalyptic number.

40705743 is a deficient number, since it is larger than the sum of its proper divisors (19171473).

40705743 is a wasteful number, since it uses less digits than its factorization.

40705743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25514.

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

The square root of 40705743 is about 6380.1052499156. The cubic root of 40705743 is about 343.9948141232.

The spelling of 40705743 in words is "forty million, seven hundred five thousand, seven hundred forty-three".