70345560 has 32 divisors (see below), whose sum is σ = 211037040. Its totient is φ = 18758784.

The previous prime is 70345531. The next prime is 70345567. The reversal of 70345560 is 6554307.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70345567) 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 7 ways as a sum of consecutive naturals, for example, 292987 + ... + 293226.

Almost surely, 2^70345560 is an apocalyptic number.

It is an amenable number.

70345560 is an abundant number, since it is smaller than the sum of its proper divisors (140691480).

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

70345560 is a wasteful number, since it uses less digits than its factorization.

70345560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586227 (or 586223 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 70345560 is about 8387.2260014858. The cubic root of 70345560 is about 412.8055843995.

Adding to 70345560 its reverse (6554307), we get a palindrome (76899867).

The spelling of 70345560 in words is "seventy million, three hundred forty-five thousand, five hundred sixty".