40730079 has 32 divisors (see below), whose sum is σ = 64641024. Its totient is φ = 22556160.

The previous prime is 40730077. The next prime is 40730083. The reversal of 40730079 is 97003704.

It is not a de Polignac number, because 40730079 - 2¹ = 40730077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40730077) 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 31 ways as a sum of consecutive naturals, for example, 13914 + ... + 16584.

It is an arithmetic number, because the mean of its divisors is an integer number (2020032).

Almost surely, 2^40730079 is an apocalyptic number.

40730079 is a deficient number, since it is larger than the sum of its proper divisors (23910945).

40730079 is a wasteful number, since it uses less digits than its factorization.

40730079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2727.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 40730079 is about 6382.0121435171. The cubic root of 40730079 is about 344.0633531010.

The spelling of 40730079 in words is "forty million, seven hundred thirty thousand, seventy-nine".