774974748 has 12 divisors (see below), whose sum is σ = 1808274440. Its totient is φ = 258324912.

The previous prime is 774974737. The next prime is 774974749. The reversal of 774974748 is 847479477.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774974749) 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, 32290603 + ... + 32290626.

Almost surely, 2^774974748 is an apocalyptic number.

It is an amenable number.

774974748 is an abundant number, since it is smaller than the sum of its proper divisors (1033299692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

774974748 is a wasteful number, since it uses less digits than its factorization.

774974748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64581236 (or 64581234 counting only the distinct ones).

The product of its digits is 11063808, while the sum is 57.

The square root of 774974748 is about 27838.3682711469. The cubic root of 774974748 is about 918.5352985094.

The spelling of 774974748 in words is "seven hundred seventy-four million, nine hundred seventy-four thousand, seven hundred forty-eight".