769421268 has 120 divisors (see below), whose sum is σ = 2507824704. Its totient is φ = 199843200.

The previous prime is 769421251. The next prime is 769421273. The reversal of 769421268 is 862124967.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9528 + ... + 40368.

Almost surely, 2^769421268 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 769421268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253912352).

769421268 is an abundant number, since it is smaller than the sum of its proper divisors (1738403436).

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

769421268 is a wasteful number, since it uses less digits than its factorization.

769421268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30875 (or 30864 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 769421268 is about 27738.4438640671. The cubic root of 769421268 is about 916.3359576326.

It can be divided in two parts, 76942 and 1268, that added together give a triangular number (78210 = T₃₉₅).

The spelling of 769421268 in words is "seven hundred sixty-nine million, four hundred twenty-one thousand, two hundred sixty-eight".