772490 has 8 divisors (see below), whose sum is σ = 1390500. Its totient is φ = 308992.

The previous prime is 772477. The next prime is 772493. The reversal of 772490 is 94277.

772490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 628849 + 143641 = 793^2 + 379^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772493) 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, 38615 + ... + 38634.

2⁷⁷²⁴⁹⁰ is an apocalyptic number.

772490 is a deficient number, since it is larger than the sum of its proper divisors (618010).

772490 is a wasteful number, since it uses less digits than its factorization.

772490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77256.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 772490 is about 878.9141027427. The cubic root of 772490 is about 91.7552568715.

The spelling of 772490 in words is "seven hundred seventy-two thousand, four hundred ninety".