772906 has 8 divisors (see below), whose sum is σ = 1175904. Its totient is φ = 380940.

The previous prime is 772903. The next prime is 772907. The reversal of 772906 is 609277.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (772903) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2580 + ... + 2863.

It is an arithmetic number, because the mean of its divisors is an integer number (146988).

2⁷⁷²⁹⁰⁶ is an apocalyptic number.

772906 is a deficient number, since it is larger than the sum of its proper divisors (402998).

772906 is a wasteful number, since it uses less digits than its factorization.

772906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 772906 is about 879.1507265538. The cubic root of 772906 is about 91.7717245441.

The spelling of 772906 in words is "seven hundred seventy-two thousand, nine hundred six".