70014520 has 64 divisors (see below), whose sum is σ = 162129600. Its totient is φ = 27202560.

The previous prime is 70014509. The next prime is 70014521. The reversal of 70014520 is 2541007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70014521) 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 15 ways as a sum of consecutive naturals, for example, 252622 + ... + 252898.

It is an arithmetic number, because the mean of its divisors is an integer number (2533275).

Almost surely, 2^70014520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70014520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81064800).

70014520 is an abundant number, since it is smaller than the sum of its proper divisors (92115080).

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

70014520 is a wasteful number, since it uses less digits than its factorization.

70014520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 70014520 is about 8367.4679563175. The cubic root of 70014520 is about 412.1570237549.

Adding to 70014520 its reverse (2541007), we get a palindrome (72555527).

The spelling of 70014520 in words is "seventy million, fourteen thousand, five hundred twenty".