40347673 has 2 divisors, whose sum is σ = 40347674. Its totient is φ = 40347672.

The previous prime is 40347641. The next prime is 40347677. The reversal of 40347673 is 37674304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28869129 + 11478544 = 5373^2 + 3388^2 .

It is a cyclic number.

It is not a de Polignac number, because 40347673 - 2⁵ = 40347641 is a prime.

It is not a weakly prime, because it can be changed into another prime (40347677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20173836 + 20173837.

It is an arithmetic number, because the mean of its divisors is an integer number (20173837).

Almost surely, 2^40347673 is an apocalyptic number.

It is an amenable number.

40347673 is a deficient number, since it is larger than the sum of its proper divisors (1).

40347673 is an equidigital number, since it uses as much as digits as its factorization.

40347673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 40347673 is about 6351.9818167246. The cubic root of 40347673 is about 342.9831864532.

The spelling of 40347673 in words is "forty million, three hundred forty-seven thousand, six hundred seventy-three".