769945 has 8 divisors (see below), whose sum is σ = 1008000. Its totient is φ = 559920.

The previous prime is 769943. The next prime is 769961. The reversal of 769945 is 549967.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 769945 - 2¹ = 769943 is a prime.

It is an Ulam number.

769945 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 769898 and 769907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769943) 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, 6945 + ... + 7054.

It is an arithmetic number, because the mean of its divisors is an integer number (126000).

2⁷⁶⁹⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

769945 is a deficient number, since it is larger than the sum of its proper divisors (238055).

769945 is a wasteful number, since it uses less digits than its factorization.

769945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14015.

The product of its digits is 68040, while the sum is 40.

The square root of 769945 is about 877.4650990210. The cubic root of 769945 is about 91.6543821922.

It can be divided in two parts, 7699 and 45, that added together give a square (7744 = 88²).

The spelling of 769945 in words is "seven hundred sixty-nine thousand, nine hundred forty-five".