740747665 has 16 divisors (see below), whose sum is σ = 1016330112. Its totient is φ = 507717504.

The previous prime is 740747633. The next prime is 740747669. The reversal of 740747665 is 566747047.

It is not a de Polignac number, because 740747665 - 2⁵ = 740747633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (740747669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134037 + ... + 139453.

It is an arithmetic number, because the mean of its divisors is an integer number (63520632).

Almost surely, 2^740747665 is an apocalyptic number.

It is an amenable number.

740747665 is a deficient number, since it is larger than the sum of its proper divisors (275582447).

740747665 is a wasteful number, since it uses less digits than its factorization.

740747665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9336.

The product of its (nonzero) digits is 987840, while the sum is 46.

The square root of 740747665 is about 27216.6799040588. The cubic root of 740747665 is about 904.8086914892.

The spelling of 740747665 in words is "seven hundred forty million, seven hundred forty-seven thousand, six hundred sixty-five".