707747242 has 8 divisors (see below), whose sum is σ = 1063228932. Its totient is φ = 353337600.

The previous prime is 707747239. The next prime is 707747263. The reversal of 707747242 is 242747707.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 695851641 + 11895601 = 26379^2 + 3449^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 707747195 and 707747204.

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 3 ways as a sum of consecutive naturals, for example, 266359 + ... + 269002.

Almost surely, 2^707747242 is an apocalyptic number.

707747242 is a deficient number, since it is larger than the sum of its proper divisors (355481690).

707747242 is a wasteful number, since it uses less digits than its factorization.

707747242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536024.

The product of its (nonzero) digits is 153664, while the sum is 40.

The square root of 707747242 is about 26603.5193536494. The cubic root of 707747242 is about 891.1676136596.

The spelling of 707747242 in words is "seven hundred seven million, seven hundred forty-seven thousand, two hundred forty-two".