774755472 has 80 divisors (see below), whose sum is σ = 2071867392. Its totient is φ = 249214080.

The previous prime is 774755453. The next prime is 774755519. The reversal of 774755472 is 274557477.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 873013 + ... + 873899.

Almost surely, 2^774755472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 774755472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1035933696).

774755472 is an abundant number, since it is smaller than the sum of its proper divisors (1297111920).

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

774755472 is a wasteful number, since it uses less digits than its factorization.

774755472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516 (or 1510 counting only the distinct ones).

The product of its digits is 1920800, while the sum is 48.

The square root of 774755472 is about 27834.4296151367. The cubic root of 774755472 is about 918.4486583765.

The spelling of 774755472 in words is "seven hundred seventy-four million, seven hundred fifty-five thousand, four hundred seventy-two".