40739493 has 8 divisors (see below), whose sum is σ = 54361888. Its totient is φ = 27138384.

The previous prime is 40739473. The next prime is 40739507. The reversal of 40739493 is 39493704.

40739493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40739493 - 2¹⁶ = 40673957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40739443) 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 7 ways as a sum of consecutive naturals, for example, 130 + ... + 9027.

It is an arithmetic number, because the mean of its divisors is an integer number (6795236).

Almost surely, 2^40739493 is an apocalyptic number.

It is an amenable number.

40739493 is a deficient number, since it is larger than the sum of its proper divisors (13622395).

40739493 is a wasteful number, since it uses less digits than its factorization.

40739493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10643.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 40739493 is about 6382.7496425913. The cubic root of 40739493 is about 344.0898590067.

The spelling of 40739493 in words is "forty million, seven hundred thirty-nine thousand, four hundred ninety-three".