769332340 has 36 divisors (see below), whose sum is σ = 1879371396. Its totient is φ = 263770752.

The previous prime is 769332281. The next prime is 769332341. The reversal of 769332340 is 43233967.

It can be written as a sum of positive squares in 2 ways, for example, as 493639524 + 275692816 = 22218^2 + 16604^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 769332340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769332341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391537 + ... + 393496.

It is an arithmetic number, because the mean of its divisors is an integer number (52204761).

Almost surely, 2^769332340 is an apocalyptic number.

769332340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

769332340 is an abundant number, since it is smaller than the sum of its proper divisors (1110039056).

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

769332340 is a wasteful number, since it uses less digits than its factorization.

769332340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785056 (or 785047 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 37.

The square root of 769332340 is about 27736.8408439029. The cubic root of 769332340 is about 916.3006535813.

The spelling of 769332340 in words is "seven hundred sixty-nine million, three hundred thirty-two thousand, three hundred forty".