770945 has 8 divisors (see below), whose sum is σ = 1057344. Its totient is φ = 528624.

The previous prime is 770929. The next prime is 770951. The reversal of 770945 is 549077.

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

It is a cyclic number.

It is not a de Polignac number, because 770945 - 2⁴ = 770929 is a prime.

It is a Duffinian number.

770945 is a modest number, since divided by 945 gives 770 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10979 + ... + 11048.

It is an arithmetic number, because the mean of its divisors is an integer number (132168).

2⁷⁷⁰⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

770945 is a deficient number, since it is larger than the sum of its proper divisors (286399).

770945 is a wasteful number, since it uses less digits than its factorization.

770945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22039.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 770945 is about 878.0347373538. The cubic root of 770945 is about 91.6940450818.

The spelling of 770945 in words is "seven hundred seventy thousand, nine hundred forty-five".