740561413 has 2 divisors, whose sum is σ = 740561414. Its totient is φ = 740561412.

The previous prime is 740561407. The next prime is 740561431. The reversal of 740561413 is 314165047.

Together with next prime (740561431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 543495969 + 197065444 = 23313^2 + 14038^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740561413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740561483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370280706 + 370280707.

It is an arithmetic number, because the mean of its divisors is an integer number (370280707).

Almost surely, 2^740561413 is an apocalyptic number.

It is an amenable number.

740561413 is a deficient number, since it is larger than the sum of its proper divisors (1).

740561413 is an equidigital number, since it uses as much as digits as its factorization.

740561413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 740561413 is about 27213.2580372141. The cubic root of 740561413 is about 904.7328507485.

The spelling of 740561413 in words is "seven hundred forty million, five hundred sixty-one thousand, four hundred thirteen".