401740907 has 2 divisors, whose sum is σ = 401740908. Its totient is φ = 401740906.

The previous prime is 401740879. The next prime is 401740909. The reversal of 401740907 is 709047104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401740907 is a prime.

It is a super-2 number, since 2×401740907² = 322791512714365298, which contains 22 as substring.

Together with 401740909, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (401740909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200870453 + 200870454.

It is an arithmetic number, because the mean of its divisors is an integer number (200870454).

Almost surely, 2^401740907 is an apocalyptic number.

401740907 is a deficient number, since it is larger than the sum of its proper divisors (1).

401740907 is an equidigital number, since it uses as much as digits as its factorization.

401740907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 401740907 is about 20043.4754221916. The cubic root of 401740907 is about 737.8736787535.

The spelling of 401740907 in words is "four hundred one million, seven hundred forty thousand, nine hundred seven".