740671 has 2 divisors, whose sum is σ = 740672. Its totient is φ = 740670.

The previous prime is 740659. The next prime is 740681. The reversal of 740671 is 176047.

It is a strong prime.

It is an emirp because it is prime and its reverse (176047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 740671 - 2¹¹ = 738623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370335 + 370336.

It is an arithmetic number, because the mean of its divisors is an integer number (370336).

2⁷⁴⁰⁶⁷¹ is an apocalyptic number.

740671 is a deficient number, since it is larger than the sum of its proper divisors (1).

740671 is an equidigital number, since it uses as much as digits as its factorization.

740671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 740671 is about 860.6224491611. The cubic root of 740671 is about 90.4777475483.

The spelling of 740671 in words is "seven hundred forty thousand, six hundred seventy-one".