745471 has 2 divisors, whose sum is σ = 745472. Its totient is φ = 745470.

The previous prime is 745397. The next prime is 745477. The reversal of 745471 is 174547.

745471 is nontrivially palindromic in base 9.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 745471 - 2⁷ = 745343 is a prime.

It is a super-3 number, since 3×745471³ = 1242835113732366333, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372735 + 372736.

It is an arithmetic number, because the mean of its divisors is an integer number (372736).

2⁷⁴⁵⁴⁷¹ is an apocalyptic number.

745471 is a deficient number, since it is larger than the sum of its proper divisors (1).

745471 is an equidigital number, since it uses as much as digits as its factorization.

745471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3920, while the sum is 28.

The square root of 745471 is about 863.4066249456. The cubic root of 745471 is about 90.6727771857.

The spelling of 745471 in words is "seven hundred forty-five thousand, four hundred seventy-one".