40743493 has 4 divisors (see below), whose sum is σ = 46564000. Its totient is φ = 34922988.

The previous prime is 40743487. The next prime is 40743499. The reversal of 40743493 is 39434704.

40743493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (40743487) and next prime (40743499).

It is a cyclic number.

It is not a de Polignac number, because 40743493 - 2¹³ = 40735301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40743499) 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 3 ways as a sum of consecutive naturals, for example, 2910243 + ... + 2910256.

It is an arithmetic number, because the mean of its divisors is an integer number (11641000).

Almost surely, 2^40743493 is an apocalyptic number.

It is an amenable number.

40743493 is a deficient number, since it is larger than the sum of its proper divisors (5820507).

40743493 is an equidigital number, since it uses as much as digits as its factorization.

40743493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820506.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 40743493 is about 6383.0629794794. The cubic root of 40743493 is about 344.1011201057.

The spelling of 40743493 in words is "forty million, seven hundred forty-three thousand, four hundred ninety-three".