70353472 has 56 divisors (see below), whose sum is σ = 162616896. Its totient is φ = 29572608.

The previous prime is 70353457. The next prime is 70353509. The reversal of 70353472 is 27435307.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×70353472² = 9899222044909568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22263 + ... + 25225.

Almost surely, 2^70353472 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 70353472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81308448).

70353472 is an abundant number, since it is smaller than the sum of its proper divisors (92263424).

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

70353472 is a wasteful number, since it uses less digits than its factorization.

70353472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035 (or 3025 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 70353472 is about 8387.6976578797. The cubic root of 70353472 is about 412.8210603601.

Adding to 70353472 its reverse (27435307), we get a palindrome (97788779).

The spelling of 70353472 in words is "seventy million, three hundred fifty-three thousand, four hundred seventy-two".