70944560 has 20 divisors (see below), whose sum is σ = 164946288. Its totient is φ = 28377792.

The previous prime is 70944547. The next prime is 70944563. The reversal of 70944560 is 6544907.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 70944560.

It is not an unprimeable number, because it can be changed into a prime (70944563) 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, 443324 + ... + 443483.

Almost surely, 2^70944560 is an apocalyptic number.

It is an amenable number.

70944560 is an abundant number, since it is smaller than the sum of its proper divisors (94001728).

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

70944560 is a wasteful number, since it uses less digits than its factorization.

70944560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886820 (or 886814 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 70944560 is about 8422.8593719710. The cubic root of 70944560 is about 413.9739689733.

The spelling of 70944560 in words is "seventy million, nine hundred forty-four thousand, five hundred sixty".