40727772 has 42 divisors (see below), whose sum is σ = 106869168. Its totient is φ = 13574952.

The previous prime is 40727747. The next prime is 40727783. The reversal of 40727772 is 27772704.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 4068 + ... + 9899.

It is an arithmetic number, because the mean of its divisors is an integer number (2544504).

Almost surely, 2^40727772 is an apocalyptic number.

It is an amenable number.

40727772 is an abundant number, since it is smaller than the sum of its proper divisors (66141396).

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

40727772 is a wasteful number, since it uses less digits than its factorization.

40727772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13989 (or 13972 counting only the distinct ones).

The product of its (nonzero) digits is 38416, while the sum is 36.

The square root of 40727772 is about 6381.8313985877. The cubic root of 40727772 is about 344.0568569262.

The spelling of 40727772 in words is "forty million, seven hundred twenty-seven thousand, seven hundred seventy-two".