705781252 has 12 divisors (see below), whose sum is σ = 1347400656. Its totient is φ = 320809640.

The previous prime is 705781229. The next prime is 705781259. The reversal of 705781252 is 252187507.

It is not an unprimeable number, because it can be changed into a prime (705781259) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8020198 + ... + 8020285.

It is an arithmetic number, because the mean of its divisors is an integer number (112283388).

Almost surely, 2^705781252 is an apocalyptic number.

It is an amenable number.

705781252 is a deficient number, since it is larger than the sum of its proper divisors (641619404).

705781252 is a wasteful number, since it uses less digits than its factorization.

705781252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16040498 (or 16040496 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 705781252 is about 26566.5438474785. The cubic root of 705781252 is about 890.3416825509.

The spelling of 705781252 in words is "seven hundred five million, seven hundred eighty-one thousand, two hundred fifty-two".