40673117 has 2 divisors, whose sum is σ = 40673118. Its totient is φ = 40673116.

The previous prime is 40673099. The next prime is 40673183. The reversal of 40673117 is 71137604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34175716 + 6497401 = 5846^2 + 2549^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40673117 is a prime.

It is a Chen prime.

It is equal to p_2472059 and since 40673117 and 2472059 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40673117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40673317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20336558 + 20336559.

It is an arithmetic number, because the mean of its divisors is an integer number (20336559).

Almost surely, 2^40673117 is an apocalyptic number.

It is an amenable number.

40673117 is a deficient number, since it is larger than the sum of its proper divisors (1).

40673117 is an equidigital number, since it uses as much as digits as its factorization.

40673117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 40673117 is about 6377.5478830033. The cubic root of 40673117 is about 343.9028846328.

The spelling of 40673117 in words is "forty million, six hundred seventy-three thousand, one hundred seventeen".