70144980 has 48 divisors (see below), whose sum is σ = 199348800. Its totient is φ = 18425088.

The previous prime is 70144967. The next prime is 70144981. The reversal of 70144980 is 8944107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70144981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4705 + ... + 12744.

It is an arithmetic number, because the mean of its divisors is an integer number (4153100).

Almost surely, 2^70144980 is an apocalyptic number.

It is an amenable number.

70144980 is an abundant number, since it is smaller than the sum of its proper divisors (129203820).

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

70144980 is a wasteful number, since it uses less digits than its factorization.

70144980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17528 (or 17526 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 70144980 is about 8375.2599959643. The cubic root of 70144980 is about 412.4128594625.

The spelling of 70144980 in words is "seventy million, one hundred forty-four thousand, nine hundred eighty".