709742761 has 16 divisors (see below), whose sum is σ = 874768384. Its totient is φ = 560758464.

The previous prime is 709742731. The next prime is 709742773. The reversal of 709742761 is 167247907.

It is not a de Polignac number, because 709742761 - 2⁹ = 709742249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (709742731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63736 + ... + 74038.

It is an arithmetic number, because the mean of its divisors is an integer number (54673024).

Almost surely, 2^709742761 is an apocalyptic number.

It is an amenable number.

709742761 is a deficient number, since it is larger than the sum of its proper divisors (165025623).

709742761 is a wasteful number, since it uses less digits than its factorization.

709742761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11080.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 709742761 is about 26640.9977478322. The cubic root of 709742761 is about 892.0043875088.

The spelling of 709742761 in words is "seven hundred nine million, seven hundred forty-two thousand, seven hundred sixty-one".