772427 has 4 divisors (see below), whose sum is σ = 797376. Its totient is φ = 747480.

The previous prime is 772403. The next prime is 772439. The reversal of 772427 is 724277.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 772427 - 2¹⁰ = 771403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 772427.

It is not an unprimeable number, because it can be changed into a prime (772477) 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, 12428 + ... + 12489.

It is an arithmetic number, because the mean of its divisors is an integer number (199344).

2⁷⁷²⁴²⁷ is an apocalyptic number.

772427 is a deficient number, since it is larger than the sum of its proper divisors (24949).

772427 is a wasteful number, since it uses less digits than its factorization.

772427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24948.

The product of its digits is 5488, while the sum is 29.

The square root of 772427 is about 878.8782623322. The cubic root of 772427 is about 91.7527624537.

The spelling of 772427 in words is "seven hundred seventy-two thousand, four hundred twenty-seven", and thus it is an iban number.