64070560 has 24 divisors (see below), whose sum is σ = 151367076. Its totient is φ = 25628160.

The previous prime is 64070551. The next prime is 64070563. The reversal of 64070560 is 6507046.

It can be written as a sum of positive squares in 2 ways, for example, as 62031376 + 2039184 = 7876^2 + 1428^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (64070563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200061 + ... + 200380.

Almost surely, 2^64070560 is an apocalyptic number.

It is an amenable number.

64070560 is an abundant number, since it is smaller than the sum of its proper divisors (87296516).

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

64070560 is a wasteful number, since it uses less digits than its factorization.

64070560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400456 (or 400448 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 64070560 is about 8004.4087851633. The cubic root of 64070560 is about 400.1469460106.

It can be divided in two parts, 640 and 70560, that multiplied together give a square (45158400 = 6720²).

The spelling of 64070560 in words is "sixty-four million, seventy thousand, five hundred sixty".