740413 has 4 divisors (see below), whose sum is σ = 742140. Its totient is φ = 738688.

The previous prime is 740387. The next prime is 740423. The reversal of 740413 is 314047.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 314047 = 103 ⋅3049.

It can be written as a sum of positive squares in 2 ways, for example, as 142884 + 597529 = 378^2 + 773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740413 is a prime.

It is a super-2 number, since 2×740413² = 1096422821138, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740423) 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, 333 + ... + 1261.

It is an arithmetic number, because the mean of its divisors is an integer number (185535).

2⁷⁴⁰⁴¹³ is an apocalyptic number.

It is an amenable number.

740413 is a deficient number, since it is larger than the sum of its proper divisors (1727).

740413 is an equidigital number, since it uses as much as digits as its factorization.

740413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 740413 is about 860.4725445940. The cubic root of 740413 is about 90.4672408727.

The spelling of 740413 in words is "seven hundred forty thousand, four hundred thirteen".