40071701 has 2 divisors, whose sum is σ = 40071702. Its totient is φ = 40071700.

The previous prime is 40071641. The next prime is 40071749. The reversal of 40071701 is 10717004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25745476 + 14326225 = 5074^2 + 3785^2 .

It is a cyclic number.

It is not a de Polignac number, because 40071701 - 2²² = 35877397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40071751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20035850 + 20035851.

It is an arithmetic number, because the mean of its divisors is an integer number (20035851).

Almost surely, 2^40071701 is an apocalyptic number.

It is an amenable number.

40071701 is a deficient number, since it is larger than the sum of its proper divisors (1).

40071701 is an equidigital number, since it uses as much as digits as its factorization.

40071701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 40071701 is about 6330.2212441588. The cubic root of 40071701 is about 342.1994123345.

Adding to 40071701 its reverse (10717004), we get a palindrome (50788705).

The spelling of 40071701 in words is "forty million, seventy-one thousand, seven hundred one".