40786704 has 120 divisors (see below), whose sum is σ = 133628352. Its totient is φ = 11370240.

The previous prime is 40786703. The next prime is 40786709. The reversal of 40786704 is 40768704.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40786703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42874 + ... + 43814.

Almost surely, 2^40786704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40786704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66814176).

40786704 is an abundant number, since it is smaller than the sum of its proper divisors (92841648).

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

40786704 is a wasteful number, since it uses less digits than its factorization.

40786704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 40786704 is about 6386.4468994896. The cubic root of 40786704 is about 344.2227239825. Note that the first 3 decimals are identical.

The spelling of 40786704 in words is "forty million, seven hundred eighty-six thousand, seven hundred four".