771490 has 16 divisors (see below), whose sum is σ = 1399680. Its totient is φ = 306160.

The previous prime is 771481. The next prime is 771499. The reversal of 771490 is 94177.

771490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (771481) and next prime (771499).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (771499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1575 + ... + 2005.

It is an arithmetic number, because the mean of its divisors is an integer number (87480).

2⁷⁷¹⁴⁹⁰ is an apocalyptic number.

771490 is a deficient number, since it is larger than the sum of its proper divisors (628190).

771490 is a wasteful number, since it uses less digits than its factorization.

771490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 771490 is about 878.3450347102. The cubic root of 771490 is about 91.7156469183.

The spelling of 771490 in words is "seven hundred seventy-one thousand, four hundred ninety".