40770001 has 4 divisors (see below), whose sum is σ = 40783972. Its totient is φ = 40756032.

The previous prime is 40769987. The next prime is 40770011. The reversal of 40770001 is 10007704.

40770001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 20976400 + 19793601 = 4580^2 + 4449^2 .

It is a cyclic number.

It is not a de Polignac number, because 40770001 - 2⁷ = 40769873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40770011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756 + ... + 9061.

It is an arithmetic number, because the mean of its divisors is an integer number (10195993).

Almost surely, 2^40770001 is an apocalyptic number.

It is an amenable number.

40770001 is a deficient number, since it is larger than the sum of its proper divisors (13971).

40770001 is an equidigital number, since it uses as much as digits as its factorization.

40770001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13970.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 40770001 is about 6385.1390744447. The cubic root of 40770001 is about 344.1757287886.

Adding to 40770001 its reverse (10007704), we get a palindrome (50777705).

The spelling of 40770001 in words is "forty million, seven hundred seventy thousand, one".