70345572 has 48 divisors (see below), whose sum is σ = 184848384. Its totient is φ = 20628000.

The previous prime is 70345567. The next prime is 70345579. The reversal of 70345572 is 27554307.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (70345579) 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, 4504 + ... + 12687.

It is an arithmetic number, because the mean of its divisors is an integer number (3851008).

Almost surely, 2^70345572 is an apocalyptic number.

It is an amenable number.

70345572 is an abundant number, since it is smaller than the sum of its proper divisors (114502812).

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

70345572 is a wasteful number, since it uses less digits than its factorization.

70345572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17240 (or 17238 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 70345572 is about 8387.2267168594. The cubic root of 70345572 is about 412.8056078726.

Adding to 70345572 its reverse (27554307), we get a palindrome (97899879).

The spelling of 70345572 in words is "seventy million, three hundred forty-five thousand, five hundred seventy-two".