740693 has 2 divisors, whose sum is σ = 740694. Its totient is φ = 740692.

The previous prime is 740687. The next prime is 740711. The reversal of 740693 is 396047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508369 + 232324 = 713^2 + 482^2 .

It is a cyclic number.

It is not a de Polignac number, because 740693 - 2¹⁴ = 724309 is a prime.

It is a super-2 number, since 2×740693² = 1097252240498, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p₅₉₅₈₂ and since 740693 and 59582 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 740693.

It is not a weakly prime, because it can be changed into another prime (740603) 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, 370346 + 370347.

It is an arithmetic number, because the mean of its divisors is an integer number (370347).

2⁷⁴⁰⁶⁹³ is an apocalyptic number.

It is an amenable number.

740693 is a deficient number, since it is larger than the sum of its proper divisors (1).

740693 is an equidigital number, since it uses as much as digits as its factorization.

740693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 740693 is about 860.6352305129. The cubic root of 740693 is about 90.4786433535.

The spelling of 740693 in words is "seven hundred forty thousand, six hundred ninety-three".