774869732 has 108 divisors (see below), whose sum is σ = 1730502900. Its totient is φ = 302545152.

The previous prime is 774869731. The next prime is 774869737. The reversal of 774869732 is 237968477.

It can be written as a sum of positive squares in 6 ways, for example, as 333281536 + 441588196 = 18256^2 + 21014^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

774869732 is a modest number, since divided by 69732 gives 7748 as remainder.

It is not an unprimeable number, because it can be changed into a prime (774869731) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4935398 + ... + 4935554.

It is an arithmetic number, because the mean of its divisors is an integer number (16023175).

Almost surely, 2^774869732 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 774869732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865251450).

774869732 is an abundant number, since it is smaller than the sum of its proper divisors (955633168).

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

774869732 is a wasteful number, since it uses less digits than its factorization.

774869732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 328 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 53.

The square root of 774869732 is about 27836.4820334754. The cubic root of 774869732 is about 918.4938067229.

It can be divided in two parts, 7748 and 69732, that multiplied together give a square (540283536 = 23244²).

The spelling of 774869732 in words is "seven hundred seventy-four million, eight hundred sixty-nine thousand, seven hundred thirty-two".