70012072 has 16 divisors (see below), whose sum is σ = 141370740. Its totient is φ = 32313216.

The previous prime is 70012049. The next prime is 70012123. The reversal of 70012072 is 27021007.

It can be written as a sum of positive squares in 2 ways, for example, as 69455556 + 556516 = 8334^2 + 746^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336493 + ... + 336700.

Almost surely, 2^70012072 is an apocalyptic number.

It is an amenable number.

70012072 is an abundant number, since it is smaller than the sum of its proper divisors (71358668).

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

70012072 is a wasteful number, since it uses less digits than its factorization.

70012072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673212 (or 673208 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 70012072 is about 8367.3216742277. The cubic root of 70012072 is about 412.1522201220.

Adding to 70012072 its reverse (27021007), we get a palindrome (97033079).

The spelling of 70012072 in words is "seventy million, twelve thousand, seventy-two".