401832073 has 4 divisors (see below), whose sum is σ = 403499668. Its totient is φ = 400164480.

The previous prime is 401832049. The next prime is 401832139. The reversal of 401832073 is 370238104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 307897209 + 93934864 = 17547^2 + 9692^2 .

It is a cyclic number.

It is not a de Polignac number, because 401832073 - 2⁹ = 401831561 is a prime.

It is a super-2 number, since 2×401832073² = 322938029782954658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401832023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833436 + ... + 833917.

It is an arithmetic number, because the mean of its divisors is an integer number (100874917).

Almost surely, 2^401832073 is an apocalyptic number.

It is an amenable number.

401832073 is a deficient number, since it is larger than the sum of its proper divisors (1667595).

401832073 is a wasteful number, since it uses less digits than its factorization.

401832073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667594.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 401832073 is about 20045.7494995822. The cubic root of 401832073 is about 737.9294891053.

The spelling of 401832073 in words is "four hundred one million, eight hundred thirty-two thousand, seventy-three".