705653248 has 80 divisors (see below), whose sum is σ = 1519474176. Its totient is φ = 326430720.

The previous prime is 705653237. The next prime is 705653251. The reversal of 705653248 is 842356507.

It is a self number, because there is not a number n which added to its sum of digits gives 705653248.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364090 + ... + 366022.

Almost surely, 2^705653248 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 705653248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (759737088).

705653248 is an abundant number, since it is smaller than the sum of its proper divisors (813820928).

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

705653248 is a wasteful number, since it uses less digits than its factorization.

705653248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005 (or 1989 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 705653248 is about 26564.1346179393. The cubic root of 705653248 is about 890.2878536972.

The spelling of 705653248 in words is "seven hundred five million, six hundred fifty-three thousand, two hundred forty-eight".