40739715 has 24 divisors (see below), whose sum is σ = 71283888. Its totient is φ = 21522240.

The previous prime is 40739711. The next prime is 40739717. The reversal of 40739715 is 51793704.

It is a happy number.

40739715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40739715 - 2² = 40739711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40739715.

It is not an unprimeable number, because it can be changed into a prime (40739711) 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 23 ways as a sum of consecutive naturals, for example, 585 + ... + 9045.

It is an arithmetic number, because the mean of its divisors is an integer number (2970162).

Almost surely, 2^40739715 is an apocalyptic number.

40739715 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40739715 is a deficient number, since it is larger than the sum of its proper divisors (30544173).

40739715 is a wasteful number, since it uses less digits than its factorization.

40739715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8579 (or 8576 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 40739715 is about 6382.7670331918. The cubic root of 40739715 is about 344.0904840170.

The spelling of 40739715 in words is "forty million, seven hundred thirty-nine thousand, seven hundred fifteen".