740966491 has 2 divisors, whose sum is σ = 740966492. Its totient is φ = 740966490.

The previous prime is 740966489. The next prime is 740966507. The reversal of 740966491 is 194669047.

It is a weak prime.

It is an emirp because it is prime and its reverse (194669047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 740966491 - 2¹ = 740966489 is a prime.

It is a super-3 number, since 3×740966491³ (a number of 28 digits) contains 333 as substring.

Together with 740966489, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (740966431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370483245 + 370483246.

It is an arithmetic number, because the mean of its divisors is an integer number (370483246).

Almost surely, 2^740966491 is an apocalyptic number.

740966491 is a deficient number, since it is larger than the sum of its proper divisors (1).

740966491 is an equidigital number, since it uses as much as digits as its factorization.

740966491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 740966491 is about 27220.6996787371. The cubic root of 740966491 is about 904.8977799343.

The spelling of 740966491 in words is "seven hundred forty million, nine hundred sixty-six thousand, four hundred ninety-one".