709374240 has 192 divisors, whose sum is σ = 2563384320. Its totient is φ = 183029760.

The previous prime is 709374223. The next prime is 709374241. The reversal of 709374240 is 42473907.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 709374195 and 709374204.

It is not an unprimeable number, because it can be changed into a prime (709374241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131272 + ... + 136568.

It is an arithmetic number, because the mean of its divisors is an integer number (13350960).

Almost surely, 2^709374240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 709374240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1281692160).

709374240 is an abundant number, since it is smaller than the sum of its proper divisors (1854010080).

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

709374240 is a wasteful number, since it uses less digits than its factorization.

709374240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5352 (or 5338 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 709374240 is about 26634.0804233974. The cubic root of 709374240 is about 891.8499751040.

The spelling of 709374240 in words is "seven hundred nine million, three hundred seventy-four thousand, two hundred forty".