70343680 has 88 divisors (see below), whose sum is σ = 184230000. Its totient is φ = 25559040.

The previous prime is 70343677. The next prime is 70343687. The reversal of 70343680 is 8634307.

It is a tau number, because it is divible by the number of its divisors (88).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70343687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55696 + ... + 56944.

Almost surely, 2^70343680 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 70343680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92115000).

70343680 is an abundant number, since it is smaller than the sum of its proper divisors (113886320).

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

70343680 is a wasteful number, since it uses less digits than its factorization.

70343680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285 (or 1267 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 70343680 is about 8387.1139255408. The cubic root of 70343680 is about 412.8019069279.

Adding to 70343680 its reverse (8634307), we get a palindrome (78977987).

The spelling of 70343680 in words is "seventy million, three hundred forty-three thousand, six hundred eighty".