4218072 has 16 divisors (see below), whose sum is σ = 10545240. Its totient is φ = 1406016.

The previous prime is 4218061. The next prime is 4218103. The reversal of 4218072 is 2708124.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 175753 = 4218072 / (4 + 2 + 1 + 8 + 0 + 7 + 2).

It is a congruent number.

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, 87853 + ... + 87900.

Almost surely, 2^4218072 is an apocalyptic number.

It is an amenable number.

4218072 is an abundant number, since it is smaller than the sum of its proper divisors (6327168).

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

4218072 is a wasteful number, since it uses less digits than its factorization.

4218072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175762 (or 175758 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 4218072 is about 2053.7945369486. The cubic root of 4218072 is about 161.5739452488.

The spelling of 4218072 in words is "four million, two hundred eighteen thousand, seventy-two".