740785271 has 2 divisors, whose sum is σ = 740785272. Its totient is φ = 740785270.

The previous prime is 740785259. The next prime is 740785273. The reversal of 740785271 is 172587047.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 740785271 - 2¹⁸ = 740523127 is a prime.

Together with 740785273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740785273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370392635 + 370392636.

It is an arithmetic number, because the mean of its divisors is an integer number (370392636).

Almost surely, 2^740785271 is an apocalyptic number.

740785271 is a deficient number, since it is larger than the sum of its proper divisors (1).

740785271 is an equidigital number, since it uses as much as digits as its factorization.

740785271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 109760, while the sum is 41.

The square root of 740785271 is about 27217.3707583962. The cubic root of 740785271 is about 904.8240028930.

The spelling of 740785271 in words is "seven hundred forty million, seven hundred eighty-five thousand, two hundred seventy-one".