774074666 has 8 divisors (see below), whose sum is σ = 1164822564. Its totient is φ = 385800480.

The previous prime is 774074663. The next prime is 774074759. The reversal of 774074666 is 666470477.

It can be written as a sum of positive squares in 2 ways, for example, as 452625625 + 321449041 = 21275^2 + 17929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 774074666.

It is not an unprimeable number, because it can be changed into a prime (774074663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617645 + ... + 618896.

Almost surely, 2^774074666 is an apocalyptic number.

774074666 is a deficient number, since it is larger than the sum of its proper divisors (390747898).

774074666 is a wasteful number, since it uses less digits than its factorization.

774074666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236856.

The product of its (nonzero) digits is 1185408, while the sum is 47.

The square root of 774074666 is about 27822.1973611000. The cubic root of 774074666 is about 918.1795547160.

The spelling of 774074666 in words is "seven hundred seventy-four million, seventy-four thousand, six hundred sixty-six".