40734786 has 16 divisors (see below), whose sum is σ = 81600768. Its totient is φ = 13556400.

The previous prime is 40734769. The next prime is 40734787. The reversal of 40734786 is 68743704.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40734787) 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, 1170 + ... + 9101.

It is an arithmetic number, because the mean of its divisors is an integer number (5100048).

Almost surely, 2^40734786 is an apocalyptic number.

40734786 is an abundant number, since it is smaller than the sum of its proper divisors (40865982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40734786 is a wasteful number, since it uses less digits than its factorization.

40734786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10937.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 40734786 is about 6382.3809037067. The cubic root of 40734786 is about 344.0766065643.

The spelling of 40734786 in words is "forty million, seven hundred thirty-four thousand, seven hundred eighty-six".