7000072 has 16 divisors (see below), whose sum is σ = 13185900. Its totient is φ = 3483840.

The previous prime is 7000069. The next prime is 7000087. The reversal of 7000072 is 2700007.

It can be written as a sum of positive squares in 2 ways, for example, as 5447556 + 1552516 = 2334^2 + 1246^2 .

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, 79 + ... + 3742.

Almost surely, 2^7000072 is an apocalyptic number.

It is an amenable number.

7000072 is a deficient number, since it is larger than the sum of its proper divisors (6185828).

7000072 is a wasteful number, since it uses less digits than its factorization.

7000072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056 (or 4052 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 16.

The square root of 7000072 is about 2645.7649177506. The cubic root of 7000072 is about 191.2937741371.

Adding to 7000072 its reverse (2700007), we get a palindrome (9700079).

The spelling of 7000072 in words is "seven million, seventy-two", and thus it is an aban number and an uban number.