769660032 has 64 divisors (see below), whose sum is σ = 2052452160. Its totient is φ = 255544320.

The previous prime is 769660027. The next prime is 769660039. The reversal of 769660032 is 230066967.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (769660039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97182 + ... + 104802.

It is an arithmetic number, because the mean of its divisors is an integer number (32069565).

Almost surely, 2^769660032 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 769660032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026226080).

769660032 is an abundant number, since it is smaller than the sum of its proper divisors (1282792128).

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

769660032 is a wasteful number, since it uses less digits than its factorization.

769660032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7901 (or 7889 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 769660032 is about 27742.7473765667. The cubic root of 769660032 is about 916.4307325066.

The spelling of 769660032 in words is "seven hundred sixty-nine million, six hundred sixty thousand, thirty-two".