705151240 has 32 divisors (see below), whose sum is σ = 1641303000. Its totient is φ = 272333824.

The previous prime is 705151207. The next prime is 705151267. The reversal of 705151240 is 42151507.

It can be written as a sum of positive squares in 4 ways, for example, as 665536804 + 39614436 = 25798^2 + 6294^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302785 + ... + 305104.

Almost surely, 2^705151240 is an apocalyptic number.

It is an amenable number.

705151240 is an abundant number, since it is smaller than the sum of its proper divisors (936151760).

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

705151240 is a wasteful number, since it uses less digits than its factorization.

705151240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607929 (or 607925 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 705151240 is about 26554.6839559427. The cubic root of 705151240 is about 890.0766840461.

The spelling of 705151240 in words is "seven hundred five million, one hundred fifty-one thousand, two hundred forty".