709461828 has 72 divisors (see below), whose sum is σ = 1910143872. Its totient is φ = 230084064.

The previous prime is 709461821. The next prime is 709461917. The reversal of 709461828 is 828164907.

709461828 is a `hidden beast` number, since 7 + 0 + 9 + 4 + 618 + 28 = 666.

It is not an unprimeable number, because it can be changed into a prime (709461821) 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, 26101 + ... + 45827.

It is an arithmetic number, because the mean of its divisors is an integer number (26529776).

Almost surely, 2^709461828 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 709461828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (955071936).

709461828 is an abundant number, since it is smaller than the sum of its proper divisors (1200682044).

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

709461828 is a wasteful number, since it uses less digits than its factorization.

709461828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19783 (or 19769 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 709461828 is about 26635.7246569340. The cubic root of 709461828 is about 891.8866798203.

The spelling of 709461828 in words is "seven hundred nine million, four hundred sixty-one thousand, eight hundred twenty-eight".