40273743 has 8 divisors (see below), whose sum is σ = 55430656. Its totient is φ = 25983000.

The previous prime is 40273741. The next prime is 40273777. The reversal of 40273743 is 34737204.

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

It is not a de Polignac number, because 40273743 - 2¹ = 40273741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40273743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40273741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216433 + ... + 216618.

It is an arithmetic number, because the mean of its divisors is an integer number (6928832).

Almost surely, 2^40273743 is an apocalyptic number.

40273743 is a deficient number, since it is larger than the sum of its proper divisors (15156913).

40273743 is a wasteful number, since it uses less digits than its factorization.

40273743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433085.

The product of its (nonzero) digits is 14112, while the sum is 30.

The square root of 40273743 is about 6346.1597048924. The cubic root of 40273743 is about 342.7735729602.

The spelling of 40273743 in words is "forty million, two hundred seventy-three thousand, seven hundred forty-three".