40773697 has 2 divisors, whose sum is σ = 40773698. Its totient is φ = 40773696.

The previous prime is 40773673. The next prime is 40773703. The reversal of 40773697 is 79637704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30074256 + 10699441 = 5484^2 + 3271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40773697 is a prime.

It is not a weakly prime, because it can be changed into another prime (40773637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20386848 + 20386849.

It is an arithmetic number, because the mean of its divisors is an integer number (20386849).

Almost surely, 2^40773697 is an apocalyptic number.

It is an amenable number.

40773697 is a deficient number, since it is larger than the sum of its proper divisors (1).

40773697 is an equidigital number, since it uses as much as digits as its factorization.

40773697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222264, while the sum is 43.

The square root of 40773697 is about 6385.4284899292. The cubic root of 40773697 is about 344.1861288787.

The spelling of 40773697 in words is "forty million, seven hundred seventy-three thousand, six hundred ninety-seven".