40727659 has 24 divisors (see below), whose sum is σ = 50035968. Its totient is φ = 32462640.

The previous prime is 40727657. The next prime is 40727663. The reversal of 40727659 is 95672704.

It is not a de Polignac number, because 40727659 - 2¹ = 40727657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40727651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179304 + ... + 179530.

It is an arithmetic number, because the mean of its divisors is an integer number (2084832).

Almost surely, 2^40727659 is an apocalyptic number.

40727659 is a deficient number, since it is larger than the sum of its proper divisors (9308309).

40727659 is a wasteful number, since it uses less digits than its factorization.

40727659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 40727659 is about 6381.8225453236. The cubic root of 40727659 is about 344.0565387284.

The spelling of 40727659 in words is "forty million, seven hundred twenty-seven thousand, six hundred fifty-nine".