740166705 has 12 divisors (see below), whose sum is σ = 1282955700. Its totient is φ = 394755552.

The previous prime is 740166667. The next prime is 740166719. The reversal of 740166705 is 507661047.

It can be written as a sum of positive squares in 2 ways, for example, as 476461584 + 263705121 = 21828^2 + 16239^2 .

It is not a de Polignac number, because 740166705 - 2¹⁰ = 740165681 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 740166705.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8224030 + ... + 8224119.

It is an arithmetic number, because the mean of its divisors is an integer number (106912975).

Almost surely, 2^740166705 is an apocalyptic number.

It is an amenable number.

740166705 is a deficient number, since it is larger than the sum of its proper divisors (542788995).

740166705 is a wasteful number, since it uses less digits than its factorization.

740166705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16448160 (or 16448157 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 740166705 is about 27206.0049437620. The cubic root of 740166705 is about 904.5720858881.

The spelling of 740166705 in words is "seven hundred forty million, one hundred sixty-six thousand, seven hundred five".