709918145 has 8 divisors (see below), whose sum is σ = 854642880. Its totient is φ = 566107120.

The previous prime is 709918141. The next prime is 709918163. The reversal of 709918145 is 541819907.

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

It is not a de Polignac number, because 709918145 - 2² = 709918141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 709918096 and 709918105.

It is not an unprimeable number, because it can be changed into a prime (709918141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226715 + ... + 229824.

It is an arithmetic number, because the mean of its divisors is an integer number (106830360).

Almost surely, 2^709918145 is an apocalyptic number.

It is an amenable number.

709918145 is a deficient number, since it is larger than the sum of its proper divisors (144724735).

709918145 is a wasteful number, since it uses less digits than its factorization.

709918145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456855.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 709918145 is about 26644.2891629707. The cubic root of 709918145 is about 892.0778556354.

The spelling of 709918145 in words is "seven hundred nine million, nine hundred eighteen thousand, one hundred forty-five".