1628072 has 16 divisors (see below), whose sum is σ = 3213600. Its totient is φ = 771120.

The previous prime is 1628071. The next prime is 1628093. The reversal of 1628072 is 2708261.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1628071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5204 + ... + 5507.

It is an arithmetic number, because the mean of its divisors is an integer number (200850).

2^1628072 is an apocalyptic number.

It is an amenable number.

1628072 is a deficient number, since it is larger than the sum of its proper divisors (1585528).

1628072 is a wasteful number, since it uses less digits than its factorization.

1628072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10736 (or 10732 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1628072 is about 1275.9592469981. The cubic root of 1628072 is about 117.6407728798.

The spelling of 1628072 in words is "one million, six hundred twenty-eight thousand, seventy-two".