40947007 has 2 divisors, whose sum is σ = 40947008. Its totient is φ = 40947006.

The previous prime is 40946989. The next prime is 40947029. The reversal of 40947007 is 70074904.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40947007 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 40947007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40947077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20473503 + 20473504.

It is an arithmetic number, because the mean of its divisors is an integer number (20473504).

Almost surely, 2^40947007 is an apocalyptic number.

40947007 is a deficient number, since it is larger than the sum of its proper divisors (1).

40947007 is an equidigital number, since it uses as much as digits as its factorization.

40947007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 40947007 is about 6398.9848413635. The cubic root of 40947007 is about 344.6730978917.

The spelling of 40947007 in words is "forty million, nine hundred forty-seven thousand, seven".