740407 has 4 divisors (see below), whose sum is σ = 760456. Its totient is φ = 720360.

The previous prime is 740387. The next prime is 740423. The reversal of 740407 is 704047.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704047 = 59 ⋅11933.

It is a cyclic number.

It is not a de Polignac number, because 740407 - 2⁷ = 740279 is a prime.

It is a Duffinian number.

740407 is a modest number, since divided by 407 gives 74 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740477) 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, 9969 + ... + 10042.

It is an arithmetic number, because the mean of its divisors is an integer number (190114).

2⁷⁴⁰⁴⁰⁷ is an apocalyptic number.

740407 is a deficient number, since it is larger than the sum of its proper divisors (20049).

740407 is a wasteful number, since it uses less digits than its factorization.

740407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20048.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 740407 is about 860.4690581305. The cubic root of 740407 is about 90.4669965023.

It can be divided in two parts, 74040 and 7, that added together give a palindrome (74047).

The spelling of 740407 in words is "seven hundred forty thousand, four hundred seven", and thus it is an iban number.