7072618 has 8 divisors (see below), whose sum is σ = 12124512. Its totient is φ = 3031116.

The previous prime is 7072613. The next prime is 7072621. The reversal of 7072618 is 8162707.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7072618.

It is not an unprimeable number, because it can be changed into a prime (7072613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252580 + ... + 252607.

It is an arithmetic number, because the mean of its divisors is an integer number (1515564).

Almost surely, 2^7072618 is an apocalyptic number.

7072618 is a deficient number, since it is larger than the sum of its proper divisors (5051894).

7072618 is a wasteful number, since it uses less digits than its factorization.

7072618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505196.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 7072618 is about 2659.4394146135. The cubic root of 7072618 is about 191.9523355351.

The spelling of 7072618 in words is "seven million, seventy-two thousand, six hundred eighteen".