740471 has 4 divisors (see below), whose sum is σ = 744744. Its totient is φ = 736200.

The previous prime is 740461. The next prime is 740473. The reversal of 740471 is 174047.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740471 is a prime.

It is a super-3 number, since 3×740471³ = 1217994754174521333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 740471.

It is not an unprimeable number, because it can be changed into a prime (740473) 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, 1865 + ... + 2226.

It is an arithmetic number, because the mean of its divisors is an integer number (186186).

2⁷⁴⁰⁴⁷¹ is an apocalyptic number.

740471 is a deficient number, since it is larger than the sum of its proper divisors (4273).

740471 is a wasteful number, since it uses less digits than its factorization.

740471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 740471 is about 860.5062463457. The cubic root of 740471 is about 90.4696030511.

The spelling of 740471 in words is "seven hundred forty thousand, four hundred seventy-one", and thus it is an iban number.