7072812 has 48 divisors (see below), whose sum is σ = 18775680. Its totient is φ = 2301264.

The previous prime is 7072811. The next prime is 7072823. The reversal of 7072812 is 2182707.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (7072811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3883 + ... + 5405.

It is an arithmetic number, because the mean of its divisors is an integer number (391160).

Almost surely, 2^7072812 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 7072812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9387840).

7072812 is an abundant number, since it is smaller than the sum of its proper divisors (11702868).

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

7072812 is a wasteful number, since it uses less digits than its factorization.

7072812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579 (or 1571 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 7072812 is about 2659.4758882156. The cubic root of 7072812 is about 191.9540905859.

The spelling of 7072812 in words is "seven million, seventy-two thousand, eight hundred twelve".