40743437 has 16 divisors (see below), whose sum is σ = 47752320. Its totient is φ = 34043328.

The previous prime is 40743431. The next prime is 40743449. The reversal of 40743437 is 73434704.

40743437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40743437 - 2¹⁰ = 40742413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40743431) 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 15 ways as a sum of consecutive naturals, for example, 50723 + ... + 51519.

It is an arithmetic number, because the mean of its divisors is an integer number (2984520).

Almost surely, 2^40743437 is an apocalyptic number.

It is an amenable number.

40743437 is a deficient number, since it is larger than the sum of its proper divisors (7008883).

40743437 is a wasteful number, since it uses less digits than its factorization.

40743437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980.

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 40743437 is about 6383.0585928691. The cubic root of 40743437 is about 344.1009624554.

The spelling of 40743437 in words is "forty million, seven hundred forty-three thousand, four hundred thirty-seven".