766072242 has 40 divisors (see below), whose sum is σ = 1848618156. Its totient is φ = 235713888.

The previous prime is 766072189. The next prime is 766072259. The reversal of 766072242 is 242270667.

766072242 is a `hidden beast` number, since 7 + 6 + 607 + 2 + 2 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 700607961 + 65464281 = 26469^2 + 8091^2 .

It is a junction number, because it is equal to n+sod(n) for n = 766072197 and 766072206.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 179773 + ... + 183984.

Almost surely, 2^766072242 is an apocalyptic number.

766072242 is an abundant number, since it is smaller than the sum of its proper divisors (1082545914).

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

766072242 is a wasteful number, since it uses less digits than its factorization.

766072242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363784 (or 363775 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 766072242 is about 27678.0100802063. The cubic root of 766072242 is about 915.0045256428.

The spelling of 766072242 in words is "seven hundred sixty-six million, seventy-two thousand, two hundred forty-two".