401732745 has 8 divisors (see below), whose sum is σ = 642772416. Its totient is φ = 214257456.

The previous prime is 401732701. The next prime is 401732753. The reversal of 401732745 is 547237104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 401732745 - 2¹⁴ = 401716361 is a prime.

It is a super-2 number, since 2×401732745² = 322778396810470050, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13391077 + ... + 13391106.

It is an arithmetic number, because the mean of its divisors is an integer number (80346552).

Almost surely, 2^401732745 is an apocalyptic number.

It is an amenable number.

401732745 is a deficient number, since it is larger than the sum of its proper divisors (241039671).

401732745 is a wasteful number, since it uses less digits than its factorization.

401732745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26782191.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 401732745 is about 20043.2718137534. The cubic root of 401732745 is about 737.8686816972.

Adding to 401732745 its reverse (547237104), we get a palindrome (948969849).

The spelling of 401732745 in words is "four hundred one million, seven hundred thirty-two thousand, seven hundred forty-five".