7072668 has 36 divisors (see below), whose sum is σ = 17978688. Its totient is φ = 2344320.

The previous prime is 7072657. The next prime is 7072669. The reversal of 7072668 is 8662707.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7072669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7588 + ... + 8468.

It is an arithmetic number, because the mean of its divisors is an integer number (499408).

Almost surely, 2^7072668 is an apocalyptic number.

It is an amenable number.

7072668 is an abundant number, since it is smaller than the sum of its proper divisors (10906020).

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

7072668 is a wasteful number, since it uses less digits than its factorization.

7072668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 7072668 is about 2659.4488150743. The cubic root of 7072668 is about 191.9527878708.

It can be divided in two parts, 707 and 2668, that added together give a cube (3375 = 15³).

The spelling of 7072668 in words is "seven million, seventy-two thousand, six hundred sixty-eight".