772566 has 8 divisors (see below), whose sum is σ = 1545144. Its totient is φ = 257520.

The previous prime is 772537. The next prime is 772567. The reversal of 772566 is 665277.

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

772566 is an admirable number.

It is a super-3 number, since 3×772566³ = 1383337112873452488, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64375 + ... + 64386.

It is an arithmetic number, because the mean of its divisors is an integer number (193143).

2⁷⁷²⁵⁶⁶ is an apocalyptic number.

772566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

772566 is a wasteful number, since it uses less digits than its factorization.

772566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128766.

The product of its digits is 17640, while the sum is 33.

The square root of 772566 is about 878.9573368486. The cubic root of 772566 is about 91.7582658299.

The spelling of 772566 in words is "seven hundred seventy-two thousand, five hundred sixty-six".