740945644 has 12 divisors (see below), whose sum is σ = 1353031344. Its totient is φ = 354365264.

The previous prime is 740945617. The next prime is 740945651. The reversal of 740945644 is 446549047.

It is a self number, because there is not a number n which added to its sum of digits gives 740945644.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4026787 + ... + 4026970.

It is an arithmetic number, because the mean of its divisors is an integer number (112752612).

Almost surely, 2^740945644 is an apocalyptic number.

It is an amenable number.

740945644 is a deficient number, since it is larger than the sum of its proper divisors (612085700).

740945644 is a wasteful number, since it uses less digits than its factorization.

740945644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8053784 (or 8053782 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 740945644 is about 27220.3167505450. The cubic root of 740945644 is about 904.8892934593.

The spelling of 740945644 in words is "seven hundred forty million, nine hundred forty-five thousand, six hundred forty-four".