771942 has 8 divisors (see below), whose sum is σ = 1543896. Its totient is φ = 257312.

The previous prime is 771941. The next prime is 771961. The reversal of 771942 is 249177.

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

771942 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (771941) 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, 64323 + ... + 64334.

It is an arithmetic number, because the mean of its divisors is an integer number (192987).

2⁷⁷¹⁹⁴² is an apocalyptic number.

771942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

771942 is a wasteful number, since it uses less digits than its factorization.

771942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128662.

The product of its digits is 3528, while the sum is 30.

The square root of 771942 is about 878.6022991092. The cubic root of 771942 is about 91.7335548536.

The spelling of 771942 in words is "seven hundred seventy-one thousand, nine hundred forty-two".