771442 has 8 divisors (see below), whose sum is σ = 1322496. Its totient is φ = 330612.

The previous prime is 771439. The next prime is 771461. The reversal of 771442 is 244177.

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

It is an unprimeable number.

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, 27538 + ... + 27565.

It is an arithmetic number, because the mean of its divisors is an integer number (165312).

2⁷⁷¹⁴⁴² is an apocalyptic number.

771442 is a deficient number, since it is larger than the sum of its proper divisors (551054).

771442 is a wasteful number, since it uses less digits than its factorization.

771442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55112.

The product of its digits is 1568, while the sum is 25.

The square root of 771442 is about 878.3177101710. The cubic root of 771442 is about 91.7137447799.

The spelling of 771442 in words is "seven hundred seventy-one thousand, four hundred forty-two", and thus it is an iban number.