732401 has 4 divisors (see below), whose sum is σ = 748032. Its totient is φ = 716772.

The previous prime is 732373. The next prime is 732439. The reversal of 732401 is 104237.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104237 = 7 ⋅14891.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-732401 is a prime.

It is a super-2 number, since 2×732401² = 1072822449602, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 732401.

It is not an unprimeable number, because it can be changed into a prime (732461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7745 + ... + 7838.

It is an arithmetic number, because the mean of its divisors is an integer number (187008).

2⁷³²⁴⁰¹ is an apocalyptic number.

It is an amenable number.

732401 is a deficient number, since it is larger than the sum of its proper divisors (15631).

732401 is a wasteful number, since it uses less digits than its factorization.

732401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15630.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 732401 is about 855.8043000593. The cubic root of 732401 is about 90.1397417603.

Adding to 732401 its reverse (104237), we get a palindrome (836638).

The spelling of 732401 in words is "seven hundred thirty-two thousand, four hundred one".