774686946 has 64 divisors (see below), whose sum is σ = 1728567936. Its totient is φ = 229478400.

The previous prime is 774686921. The next prime is 774686953. The reversal of 774686946 is 649686477.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 776520 + ... + 777516.

It is an arithmetic number, because the mean of its divisors is an integer number (27008874).

Almost surely, 2^774686946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 774686946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864283968).

774686946 is an abundant number, since it is smaller than the sum of its proper divisors (953880990).

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

774686946 is a wasteful number, since it uses less digits than its factorization.

774686946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267.

The product of its digits is 12192768, while the sum is 57.

The square root of 774686946 is about 27833.1986304126. The cubic root of 774686946 is about 918.4215790934.

The spelling of 774686946 in words is "seven hundred seventy-four million, six hundred eighty-six thousand, nine hundred forty-six".