772489 has 4 divisors (see below), whose sum is σ = 797440. Its totient is φ = 747540.

The previous prime is 772477. The next prime is 772493. The reversal of 772489 is 984277.

It is a happy number.

772489 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, and also an emirpimes, since its reverse is a distinct semiprime: 984277 = 7 ⋅140611.

It is a cyclic number.

It is not a de Polignac number, because 772489 - 2¹⁹ = 248201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (772439) 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, 12429 + ... + 12490.

It is an arithmetic number, because the mean of its divisors is an integer number (199360).

2⁷⁷²⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

772489 is a deficient number, since it is larger than the sum of its proper divisors (24951).

772489 is a wasteful number, since it uses less digits than its factorization.

772489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24950.

The product of its digits is 28224, while the sum is 37.

The square root of 772489 is about 878.9135338587. The cubic root of 772489 is about 91.7552172786.

The spelling of 772489 in words is "seven hundred seventy-two thousand, four hundred eighty-nine".