70345260 has 120 divisors (see below), whose sum is σ = 222835536. Its totient is φ = 18576000.

The previous prime is 70345241. The next prime is 70345267. The reversal of 70345260 is 6254307.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (70345267) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 280135 + ... + 280385.

Almost surely, 2^70345260 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 70345260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111417768).

70345260 is an abundant number, since it is smaller than the sum of its proper divisors (152490276).

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

70345260 is a wasteful number, since it uses less digits than its factorization.

70345260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 70345260 is about 8387.2081171269. The cubic root of 70345260 is about 412.8049975734.

Adding to 70345260 its reverse (6254307), we get a palindrome (76599567).

The spelling of 70345260 in words is "seventy million, three hundred forty-five thousand, two hundred sixty".