70905448 has 16 divisors (see below), whose sum is σ = 134319780. Its totient is φ = 35086848.

The previous prime is 70905421. The next prime is 70905451. The reversal of 70905448 is 84450907.

It can be written as a sum of positive squares in 2 ways, for example, as 63712324 + 7193124 = 7982^2 + 2682^2 .

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, 44911 + ... + 46462.

Almost surely, 2^70905448 is an apocalyptic number.

It is an amenable number.

70905448 is a deficient number, since it is larger than the sum of its proper divisors (63414332).

70905448 is a wasteful number, since it uses less digits than its factorization.

70905448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91476 (or 91472 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 70905448 is about 8420.5372750199. The cubic root of 70905448 is about 413.8978798588.

The spelling of 70905448 in words is "seventy million, nine hundred five thousand, four hundred forty-eight".