40783072 has 24 divisors (see below), whose sum is σ = 87591672. Its totient is φ = 18537600.

The previous prime is 40783037. The next prime is 40783079. The reversal of 40783072 is 27038704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40783079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57579 + ... + 58282.

It is an arithmetic number, because the mean of its divisors is an integer number (3649653).

Almost surely, 2^40783072 is an apocalyptic number.

It is an amenable number.

40783072 is an abundant number, since it is smaller than the sum of its proper divisors (46808600).

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

40783072 is a wasteful number, since it uses less digits than its factorization.

40783072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115882 (or 115874 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 40783072 is about 6386.1625409944. The cubic root of 40783072 is about 344.2125061589.

The spelling of 40783072 in words is "forty million, seven hundred eighty-three thousand, seventy-two".