727401 has 4 divisors (see below), whose sum is σ = 969872. Its totient is φ = 484932.

The previous prime is 727399. The next prime is 727409. The reversal of 727401 is 104727.

727401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 727401 - 2¹ = 727399 is a prime.

It is a super-2 number, since 2×727401² = 1058224429602, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

727401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (727409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121231 + ... + 121236.

It is an arithmetic number, because the mean of its divisors is an integer number (242468).

2⁷²⁷⁴⁰¹ is an apocalyptic number.

It is an amenable number.

727401 is a deficient number, since it is larger than the sum of its proper divisors (242471).

727401 is a wasteful number, since it uses less digits than its factorization.

727401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242470.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 727401 is about 852.8780686593. The cubic root of 727401 is about 89.9341493614.

It can be divided in two parts, 727 and 401, that added together give a triangular number (1128 = T₄₇).

The spelling of 727401 in words is "seven hundred twenty-seven thousand, four hundred one", and thus it is an iban number.