745701181 has 2 divisors, whose sum is σ = 745701182. Its totient is φ = 745701180.

The previous prime is 745701169. The next prime is 745701197. The reversal of 745701181 is 181107547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 744798681 + 902500 = 27291^2 + 950^2 .

It is an emirp because it is prime and its reverse (181107547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 745701181 - 2¹⁷ = 745570109 is a prime.

It is a super-2 number, since 2×745701181² = 1112140502689589522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745701161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372850590 + 372850591.

It is an arithmetic number, because the mean of its divisors is an integer number (372850591).

Almost surely, 2^745701181 is an apocalyptic number.

It is an amenable number.

745701181 is a deficient number, since it is larger than the sum of its proper divisors (1).

745701181 is an equidigital number, since it uses as much as digits as its factorization.

745701181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 34.

The square root of 745701181 is about 27307.5297491370. The cubic root of 745701181 is about 906.8210864765.

The spelling of 745701181 in words is "seven hundred forty-five million, seven hundred one thousand, one hundred eighty-one".