740440766783 has 2 divisors, whose sum is σ = 740440766784. Its totient is φ = 740440766782.

The previous prime is 740440766771. The next prime is 740440766797. The reversal of 740440766783 is 387667044047.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 740440766783 - 2¹² = 740440762687 is a prime.

It is a super-2 number, since 2×740440766783² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740440766743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370220383391 + 370220383392.

It is an arithmetic number, because the mean of its divisors is an integer number (370220383392).

Almost surely, 2^740440766783 is an apocalyptic number.

740440766783 is a deficient number, since it is larger than the sum of its proper divisors (1).

740440766783 is an equidigital number, since it uses as much as digits as its factorization.

740440766783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18966528, while the sum is 56.

The spelling of 740440766783 in words is "seven hundred forty billion, four hundred forty million, seven hundred sixty-six thousand, seven hundred eighty-three".