709547242 has 8 divisors (see below), whose sum is σ = 1081768932. Its totient is φ = 348957600.

The previous prime is 709547231. The next prime is 709547243. The reversal of 709547242 is 242745907.

709547242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 698597761 + 10949481 = 26431^2 + 3309^2 .

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 = 709547195 and 709547204.

It is not an unprimeable number, because it can be changed into a prime (709547243) 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, 2907859 + ... + 2908102.

Almost surely, 2^709547242 is an apocalyptic number.

709547242 is a deficient number, since it is larger than the sum of its proper divisors (372221690).

709547242 is a wasteful number, since it uses less digits than its factorization.

709547242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5816024.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 709547242 is about 26637.3279816126. The cubic root of 709547242 is about 891.9224705887.

The spelling of 709547242 in words is "seven hundred nine million, five hundred forty-seven thousand, two hundred forty-two".