40730067 has 16 divisors (see below), whose sum is σ = 68961280. Its totient is φ = 23274216.

The previous prime is 40730057. The next prime is 40730069. The reversal of 40730067 is 76003704.

It is not a de Polignac number, because 40730067 - 2⁶ = 40730003 is a prime.

It is a super-4 number, since 4×40730067⁴ (a number of 32 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40730067.

It is not an unprimeable number, because it can be changed into a prime (40730069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107563 + ... + 107940.

It is an arithmetic number, because the mean of its divisors is an integer number (4310080).

Almost surely, 2^40730067 is an apocalyptic number.

40730067 is a deficient number, since it is larger than the sum of its proper divisors (28231213).

40730067 is a wasteful number, since it uses less digits than its factorization.

40730067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215519 (or 215513 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 40730067 is about 6382.0112033747. The cubic root of 40730067 is about 344.0633193114.

The spelling of 40730067 in words is "forty million, seven hundred thirty thousand, sixty-seven".