740666756 has 12 divisors (see below), whose sum is σ = 1337978880. Its totient is φ = 358387080.

The previous prime is 740666753. The next prime is 740666767. The reversal of 740666756 is 657666047.

It is a self number, because there is not a number n which added to its sum of digits gives 740666756.

It is not an unprimeable number, because it can be changed into a prime (740666753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2986436 + ... + 2986683.

It is an arithmetic number, because the mean of its divisors is an integer number (111498240).

Almost surely, 2^740666756 is an apocalyptic number.

It is an amenable number.

740666756 is a deficient number, since it is larger than the sum of its proper divisors (597312124).

740666756 is a wasteful number, since it uses less digits than its factorization.

740666756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5973154 (or 5973152 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 47.

The square root of 740666756 is about 27215.1934771737. The cubic root of 740666756 is about 904.7757473728.

The spelling of 740666756 in words is "seven hundred forty million, six hundred sixty-six thousand, seven hundred fifty-six".