40783470 has 64 divisors (see below), whose sum is σ = 120476160. Its totient is φ = 8604288.

The previous prime is 40783469. The next prime is 40783471. The reversal of 40783470 is 7438704.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40783469) and next prime (40783471).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40783471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4740 + ... + 10199.

It is an arithmetic number, because the mean of its divisors is an integer number (1882440).

Almost surely, 2^40783470 is an apocalyptic number.

40783470 is an abundant number, since it is smaller than the sum of its proper divisors (79692690).

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

40783470 is a wasteful number, since it uses less digits than its factorization.

40783470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14969.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 40783470 is about 6386.1937020419. The cubic root of 40783470 is about 344.2136258729.

The spelling of 40783470 in words is "forty million, seven hundred eighty-three thousand, four hundred seventy".