740670961 has 2 divisors, whose sum is σ = 740670962. Its totient is φ = 740670960.

The previous prime is 740670929. The next prime is 740671037. The reversal of 740670961 is 169076047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 732514225 + 8156736 = 27065^2 + 2856^2 .

It is a cyclic number.

It is not a de Polignac number, because 740670961 - 2⁵ = 740670929 is a prime.

It is not a weakly prime, because it can be changed into another prime (740670911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370335480 + 370335481.

It is an arithmetic number, because the mean of its divisors is an integer number (370335481).

Almost surely, 2^740670961 is an apocalyptic number.

It is an amenable number.

740670961 is a deficient number, since it is larger than the sum of its proper divisors (1).

740670961 is an equidigital number, since it uses as much as digits as its factorization.

740670961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 740670961 is about 27215.2707317050. The cubic root of 740670961 is about 904.7774596025. Note that the first 3 decimals are identical.

The spelling of 740670961 in words is "seven hundred forty million, six hundred seventy thousand, nine hundred sixty-one".