772249 has 4 divisors (see below), whose sum is σ = 775936. Its totient is φ = 768564.

The previous prime is 772231. The next prime is 772273. The reversal of 772249 is 942277.

It is a happy number.

772249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-772249 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 772249.

It is not an unprimeable number, because it can be changed into a prime (772229) 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, 1509 + ... + 1954.

It is an arithmetic number, because the mean of its divisors is an integer number (193984).

2⁷⁷²²⁴⁹ is an apocalyptic number.

It is an amenable number.

772249 is a deficient number, since it is larger than the sum of its proper divisors (3687).

772249 is a wasteful number, since it uses less digits than its factorization.

772249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686.

The product of its digits is 7056, while the sum is 31.

The square root of 772249 is about 878.7769910506. The cubic root of 772249 is about 91.7457140007.

The spelling of 772249 in words is "seven hundred seventy-two thousand, two hundred forty-nine".