40743915 has 8 divisors (see below), whose sum is σ = 65190288. Its totient is φ = 21730080.

The previous prime is 40743907. The next prime is 40743931. The reversal of 40743915 is 51934704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40743915 - 2³ = 40743907 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358116 + ... + 1358145.

It is an arithmetic number, because the mean of its divisors is an integer number (8148786).

Almost surely, 2^40743915 is an apocalyptic number.

40743915 is a deficient number, since it is larger than the sum of its proper divisors (24446373).

40743915 is a wasteful number, since it uses less digits than its factorization.

40743915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716269.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 40743915 is about 6383.0960356241. The cubic root of 40743915 is about 344.1023081087.

The spelling of 40743915 in words is "forty million, seven hundred forty-three thousand, nine hundred fifteen".