774472770 has 48 divisors (see below), whose sum is σ = 2019513600. Its totient is φ = 205922592.

The previous prime is 774472709. The next prime is 774472771. The reversal of 774472770 is 77274477.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (774472771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18831 + ... + 43629.

It is an arithmetic number, because the mean of its divisors is an integer number (42073200).

Almost surely, 2^774472770 is an apocalyptic number.

774472770 is an abundant number, since it is smaller than the sum of its proper divisors (1245040830).

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

774472770 is a wasteful number, since it uses less digits than its factorization.

774472770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25159 (or 25156 counting only the distinct ones).

The product of its (nonzero) digits is 537824, while the sum is 45.

The square root of 774472770 is about 27829.3508727746. The cubic root of 774472770 is about 918.3369332927.

The spelling of 774472770 in words is "seven hundred seventy-four million, four hundred seventy-two thousand, seven hundred seventy".