771001242 has 16 divisors (see below), whose sum is σ = 1682184672. Its totient is φ = 233636720.

The previous prime is 771001201. The next prime is 771001261. The reversal of 771001242 is 242100177.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5840853 + ... + 5840984.

It is an arithmetic number, because the mean of its divisors is an integer number (105136542).

Almost surely, 2^771001242 is an apocalyptic number.

771001242 is an abundant number, since it is smaller than the sum of its proper divisors (911183430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

771001242 is a wasteful number, since it uses less digits than its factorization.

771001242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11681853.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 771001242 is about 27766.9091185893. The cubic root of 771001242 is about 916.9627478309.

The spelling of 771001242 in words is "seven hundred seventy-one million, one thousand, two hundred forty-two".