709531452 has 72 divisors (see below), whose sum is σ = 2053763712. Its totient is φ = 202327200.

The previous prime is 709531409. The next prime is 709531453. The reversal of 709531452 is 254135907.

709531452 is a `hidden beast` number, since 70 + 9 + 531 + 4 + 52 = 666.

709531452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709531453) 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, 141427 + ... + 146357.

It is an arithmetic number, because the mean of its divisors is an integer number (28524496).

Almost surely, 2^709531452 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 709531452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026881856).

709531452 is an abundant number, since it is smaller than the sum of its proper divisors (1344232260).

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

709531452 is a wasteful number, since it uses less digits than its factorization.

709531452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5519 (or 5514 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 709531452 is about 26637.0315913767. The cubic root of 709531452 is about 891.9158543695.

The spelling of 709531452 in words is "seven hundred nine million, five hundred thirty-one thousand, four hundred fifty-two".