774284064 has 24 divisors (see below), whose sum is σ = 2032495920. Its totient is φ = 258094656.

The previous prime is 774284053. The next prime is 774284131. The reversal of 774284064 is 460482477.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4032634 + ... + 4032825.

It is an arithmetic number, because the mean of its divisors is an integer number (84687330).

Almost surely, 2^774284064 is an apocalyptic number.

It is an amenable number.

774284064 is an abundant number, since it is smaller than the sum of its proper divisors (1258211856).

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

774284064 is a wasteful number, since it uses less digits than its factorization.

774284064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8065472 (or 8065464 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 42.

The square root of 774284064 is about 27825.9602529724. The cubic root of 774284064 is about 918.2623407127.

Adding to 774284064 its product of nonzero digits (301056), we get a triangular number (774585120 = T₃₉₃₅₉).

It can be divided in two parts, 7742 and 84064, that added together give a triangular number (91806 = T₄₂₈).

The spelling of 774284064 in words is "seven hundred seventy-four million, two hundred eighty-four thousand, sixty-four".