40784474 has 8 divisors (see below), whose sum is σ = 63836640. Its totient is φ = 19505596.

The previous prime is 40784467. The next prime is 40784477. The reversal of 40784474 is 47448704.

It is a happy number.

40784474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40784477) 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 3 ways as a sum of consecutive naturals, for example, 443264 + ... + 443355.

It is an arithmetic number, because the mean of its divisors is an integer number (7979580).

Almost surely, 2^40784474 is an apocalyptic number.

40784474 is a deficient number, since it is larger than the sum of its proper divisors (23052166).

40784474 is a wasteful number, since it uses less digits than its factorization.

40784474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886644.

The product of its (nonzero) digits is 100352, while the sum is 38.

The square root of 40784474 is about 6386.2723086320. The cubic root of 40784474 is about 344.2164504457.

The spelling of 40784474 in words is "forty million, seven hundred eighty-four thousand, four hundred seventy-four".