40730111 has 2 divisors, whose sum is σ = 40730112. Its totient is φ = 40730110.

The previous prime is 40730101. The next prime is 40730117. The reversal of 40730111 is 11103704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40730111 - 2⁶ = 40730047 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40730111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40730117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20365055 + 20365056.

It is an arithmetic number, because the mean of its divisors is an integer number (20365056).

Almost surely, 2^40730111 is an apocalyptic number.

40730111 is a deficient number, since it is larger than the sum of its proper divisors (1).

40730111 is an equidigital number, since it uses as much as digits as its factorization.

40730111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 40730111 is about 6382.0146505629. The cubic root of 40730111 is about 344.0634432066.

Adding to 40730111 its reverse (11103704), we get a palindrome (51833815).

The spelling of 40730111 in words is "forty million, seven hundred thirty thousand, one hundred eleven".