705440416 has 24 divisors (see below), whose sum is σ = 1392359220. Its totient is φ = 351825408.

The previous prime is 705440369. The next prime is 705440431. The reversal of 705440416 is 614044507.

It can be written as a sum of positive squares in 2 ways, for example, as 656384400 + 49056016 = 25620^2 + 7004^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15061 + ... + 40468.

Almost surely, 2^705440416 is an apocalyptic number.

It is an amenable number.

705440416 is a deficient number, since it is larger than the sum of its proper divisors (686918804).

705440416 is a wasteful number, since it uses less digits than its factorization.

705440416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55936 (or 55928 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 705440416 is about 26560.1283129431. The cubic root of 705440416 is about 890.1983381558.

The spelling of 705440416 in words is "seven hundred five million, four hundred forty thousand, four hundred sixteen".