40734449 has 12 divisors (see below), whose sum is σ = 48674496. Its totient is φ = 33330792.

The previous prime is 40734439. The next prime is 40734451. The reversal of 40734449 is 94443704.

It is a happy number.

It is not a de Polignac number, because 40734449 - 2²⁰ = 39685873 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 (40734439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80732 + ... + 81234.

It is an arithmetic number, because the mean of its divisors is an integer number (4056208).

Almost surely, 2^40734449 is an apocalyptic number.

It is an amenable number.

40734449 is a deficient number, since it is larger than the sum of its proper divisors (7940047).

40734449 is an frugal number, since it uses more digits than its factorization.

40734449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 40734449 is about 6382.3545028461. The cubic root of 40734449 is about 344.0756577100.

The spelling of 40734449 in words is "forty million, seven hundred thirty-four thousand, four hundred forty-nine".