769487236 has 72 divisors (see below), whose sum is σ = 1602840960. Its totient is φ = 316584576.

The previous prime is 769487203. The next prime is 769487267. The reversal of 769487236 is 632784967.

It is a super-2 number, since 2×769487236² = 1184221212733839392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4607625 + ... + 4607791.

It is an arithmetic number, because the mean of its divisors is an integer number (22261680).

Almost surely, 2^769487236 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 769487236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (801420480).

769487236 is an abundant number, since it is smaller than the sum of its proper divisors (833353724).

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

769487236 is a wasteful number, since it uses less digits than its factorization.

769487236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 308 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 52.

The square root of 769487236 is about 27739.6329463820. The cubic root of 769487236 is about 916.3621449006.

The spelling of 769487236 in words is "seven hundred sixty-nine million, four hundred eighty-seven thousand, two hundred thirty-six".