401743071 has 20 divisors (see below), whose sum is σ = 604731864. Its totient is φ = 265777200.

The previous prime is 401743033. The next prime is 401743079. The reversal of 401743071 is 170347104.

It is not a de Polignac number, because 401743071 - 2²¹ = 399645919 is a prime.

It is a super-2 number, since 2×401743071² = 322794990193022082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401743079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8320 + ... + 29541.

Almost surely, 2^401743071 is an apocalyptic number.

401743071 is a deficient number, since it is larger than the sum of its proper divisors (202988793).

401743071 is a wasteful number, since it uses less digits than its factorization.

401743071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38004 (or 37995 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 401743071 is about 20043.5294047730. The cubic root of 401743071 is about 737.8750036172.

The spelling of 401743071 in words is "four hundred one million, seven hundred forty-three thousand, seventy-one".