745369771 has 2 divisors, whose sum is σ = 745369772. Its totient is φ = 745369770.

The previous prime is 745369769. The next prime is 745369787. The reversal of 745369771 is 177963547.

It is a weak prime.

It is an emirp because it is prime and its reverse (177963547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 745369771 - 2¹ = 745369769 is a prime.

Together with 745369769, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (745369711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372684885 + 372684886.

It is an arithmetic number, because the mean of its divisors is an integer number (372684886).

Almost surely, 2^745369771 is an apocalyptic number.

745369771 is a deficient number, since it is larger than the sum of its proper divisors (1).

745369771 is an equidigital number, since it uses as much as digits as its factorization.

745369771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1111320, while the sum is 49.

The square root of 745369771 is about 27301.4609682339. The cubic root of 745369771 is about 906.6867278727.

The spelling of 745369771 in words is "seven hundred forty-five million, three hundred sixty-nine thousand, seven hundred seventy-one".