40783674 has 16 divisors (see below), whose sum is σ = 82360512. Its totient is φ = 13462368.

The previous prime is 40783661. The next prime is 40783679. The reversal of 40783674 is 47638704.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40783679) 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, 32379 + ... + 33614.

It is an arithmetic number, because the mean of its divisors is an integer number (5147532).

Almost surely, 2^40783674 is an apocalyptic number.

40783674 is an abundant number, since it is smaller than the sum of its proper divisors (41576838).

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

40783674 is a wasteful number, since it uses less digits than its factorization.

40783674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66101.

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

The square root of 40783674 is about 6386.2096739772. The cubic root of 40783674 is about 344.2141997938.

The spelling of 40783674 in words is "forty million, seven hundred eighty-three thousand, six hundred seventy-four".