70245760 has 64 divisors (see below), whose sum is σ = 180870480. Its totient is φ = 25933824.

The previous prime is 70245739. The next prime is 70245761. The reversal of 70245760 is 6754207.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70245761) 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 7 ways as a sum of consecutive naturals, for example, 4099 + ... + 12541.

Almost surely, 2^70245760 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 70245760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90435240).

70245760 is an abundant number, since it is smaller than the sum of its proper divisors (110624720).

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

70245760 is a wasteful number, since it uses less digits than its factorization.

70245760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8475 (or 8463 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 70245760 is about 8381.2743661092. The cubic root of 70245760 is about 412.6102747720.

Adding to 70245760 its reverse (6754207), we get a palindrome (76999967).

The spelling of 70245760 in words is "seventy million, two hundred forty-five thousand, seven hundred sixty".