769572 has 18 divisors (see below), whose sum is σ = 1945398. Its totient is φ = 256512.

The previous prime is 769553. The next prime is 769577. The reversal of 769572 is 275967.

It can be written as a sum of positive squares in only one way, i.e., 484416 + 285156 = 696^2 + 534^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 21377 = 769572 / (7 + 6 + 9 + 5 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (769577) by changing a digit.

769572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10653 + ... + 10724.

2⁷⁶⁹⁵⁷² is an apocalyptic number.

It is an amenable number.

769572 is an abundant number, since it is smaller than the sum of its proper divisors (1175826).

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

769572 is a wasteful number, since it uses less digits than its factorization.

769572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21387 (or 21382 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 769572 is about 877.2525292070. The cubic root of 769572 is about 91.6395791406.

The spelling of 769572 in words is "seven hundred sixty-nine thousand, five hundred seventy-two".