40729087 has 8 divisors (see below), whose sum is σ = 46592000. Its totient is φ = 34877304.

The previous prime is 40729081. The next prime is 40729177. The reversal of 40729087 is 78092704.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40729087 - 2⁷ = 40728959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40729081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7714 + ... + 11872.

It is an arithmetic number, because the mean of its divisors is an integer number (5824000).

Almost surely, 2^40729087 is an apocalyptic number.

40729087 is a deficient number, since it is larger than the sum of its proper divisors (5862913).

40729087 is a wasteful number, since it uses less digits than its factorization.

40729087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5565.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 40729087 is about 6381.9344246083. The cubic root of 40729087 is about 344.0605598041.

The spelling of 40729087 in words is "forty million, seven hundred twenty-nine thousand, eighty-seven".