740401 has 8 divisors (see below), whose sum is σ = 793800. Its totient is φ = 688128.

The previous prime is 740387. The next prime is 740423. The reversal of 740401 is 104047.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 216225 + 524176 = 465^2 + 724^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 740401 - 2¹³ = 732209 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1425 + ... + 1873.

It is an arithmetic number, because the mean of its divisors is an integer number (99225).

2⁷⁴⁰⁴⁰¹ is an apocalyptic number.

It is an amenable number.

740401 is a deficient number, since it is larger than the sum of its proper divisors (53399).

740401 is a wasteful number, since it uses less digits than its factorization.

740401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 740401 is about 860.4655716529. The cubic root of 740401 is about 90.4667521307.

Adding to 740401 its reverse (104047), we get a palindrome (844448).

The spelling of 740401 in words is "seven hundred forty thousand, four hundred one", and thus it is an iban number.