740749 has 2 divisors, whose sum is σ = 740750. Its totient is φ = 740748.

The previous prime is 740737. The next prime is 740801. The reversal of 740749 is 947047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 465124 + 275625 = 682^2 + 525^2 .

It is a cyclic number.

It is not a de Polignac number, because 740749 - 2⁵ = 740717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 740749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370374 + 370375.

It is an arithmetic number, because the mean of its divisors is an integer number (370375).

2⁷⁴⁰⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

740749 is a deficient number, since it is larger than the sum of its proper divisors (1).

740749 is an equidigital number, since it uses as much as digits as its factorization.

740749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 740749 is about 860.6677640065. The cubic root of 740749 is about 90.4809235048.

It can be divided in two parts, 74074 and 9, that multiplied together give a palindrome (666666).

The spelling of 740749 in words is "seven hundred forty thousand, seven hundred forty-nine".