709240698 has 48 divisors (see below), whose sum is σ = 1615513536. Its totient is φ = 233163360.

The previous prime is 709240691. The next prime is 709240699. The reversal of 709240698 is 896042907.

It is a happy number.

709240698 is a `hidden beast` number, since 70 + 92 + 406 + 98 = 666.

709240698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (709240691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25483 + ... + 45473.

It is an arithmetic number, because the mean of its divisors is an integer number (33656532).

Almost surely, 2^709240698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 709240698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807756768).

709240698 is an abundant number, since it is smaller than the sum of its proper divisors (906272838).

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

709240698 is a wasteful number, since it uses less digits than its factorization.

709240698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20081 (or 20069 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 709240698 is about 26631.5733294148. The cubic root of 709240698 is about 891.7940070422.

The spelling of 709240698 in words is "seven hundred nine million, two hundred forty thousand, six hundred ninety-eight".