766242 has 12 divisors (see below), whose sum is σ = 1660230. Its totient is φ = 255408.

The previous prime is 766237. The next prime is 766247. The reversal of 766242 is 242667.

It is an interprime number because it is at equal distance from previous prime (766237) and next prime (766247).

It can be written as a sum of positive squares in only one way, i.e., 670761 + 95481 = 819^2 + 309^2 .

It is not an unprimeable number, because it can be changed into a prime (766247) by changing a digit.

766242 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21267 + ... + 21302.

2⁷⁶⁶²⁴² is an apocalyptic number.

766242 is an abundant number, since it is smaller than the sum of its proper divisors (893988).

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

766242 is a wasteful number, since it uses less digits than its factorization.

766242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42577 (or 42574 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 766242 is about 875.3525004248. The cubic root of 766242 is about 91.5072107549.

The spelling of 766242 in words is "seven hundred sixty-six thousand, two hundred forty-two".