40743830 has 16 divisors (see below), whose sum is σ = 74900160. Its totient is φ = 15950592.

The previous prime is 40743823. The next prime is 40743851. The reversal of 40743830 is 3834704.

It is a junction number, because it is equal to n+sod(n) for n = 40743793 and 40743802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42875 + ... + 43814.

It is an arithmetic number, because the mean of its divisors is an integer number (4681260).

Almost surely, 2^40743830 is an apocalyptic number.

40743830 is a deficient number, since it is larger than the sum of its proper divisors (34156330).

40743830 is a wasteful number, since it uses less digits than its factorization.

40743830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86743.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 40743830 is about 6383.0893774097. The cubic root of 40743830 is about 344.1020688196.

The spelling of 40743830 in words is "forty million, seven hundred forty-three thousand, eight hundred thirty".