740181697 has 2 divisors, whose sum is σ = 740181698. Its totient is φ = 740181696.

The previous prime is 740181671. The next prime is 740181713. The reversal of 740181697 is 796181047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 739894401 + 287296 = 27201^2 + 536^2 .

It is a cyclic number.

It is not a de Polignac number, because 740181697 - 2²³ = 731793089 is a prime.

It is not a weakly prime, because it can be changed into another prime (740181667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370090848 + 370090849.

It is an arithmetic number, because the mean of its divisors is an integer number (370090849).

Almost surely, 2^740181697 is an apocalyptic number.

It is an amenable number.

740181697 is a deficient number, since it is larger than the sum of its proper divisors (1).

740181697 is an equidigital number, since it uses as much as digits as its factorization.

740181697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 740181697 is about 27206.2804697739. The cubic root of 740181697 is about 904.5781931848.

It can be divided in two parts, 7401 and 81697, that added together give a palindrome (89098).

The spelling of 740181697 in words is "seven hundred forty million, one hundred eighty-one thousand, six hundred ninety-seven".