771242 has 4 divisors (see below), whose sum is σ = 1156866. Its totient is φ = 385620.

The previous prime is 771233. The next prime is 771269. The reversal of 771242 is 242177.

771242 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.

It can be written as a sum of positive squares in only one way, i.e., 491401 + 279841 = 701^2 + 529^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192809 + ... + 192812.

2⁷⁷¹²⁴² is an apocalyptic number.

771242 is a deficient number, since it is larger than the sum of its proper divisors (385624).

771242 is a wasteful number, since it uses less digits than its factorization.

771242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385623.

The product of its digits is 784, while the sum is 23.

The square root of 771242 is about 878.2038487732. The cubic root of 771242 is about 91.7058183536.

The spelling of 771242 in words is "seven hundred seventy-one thousand, two hundred forty-two", and thus it is an iban number.