1450728 has 24 divisors (see below), whose sum is σ = 3929250. Its totient is φ = 483552.

The previous prime is 1450727. The next prime is 1450739. The reversal of 1450728 is 8270541.

It can be written as a sum of positive squares in only one way, i.e., 1258884 + 191844 = 1122^2 + 438^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1450728² = 4209223459968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1450727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10003 + ... + 10146.

2^1450728 is an apocalyptic number.

1450728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1450728 is an abundant number, since it is smaller than the sum of its proper divisors (2478522).

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

1450728 is a wasteful number, since it uses less digits than its factorization.

1450728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20161 (or 20154 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1450728 is about 1204.4617054934. The cubic root of 1450728 is about 113.2040586724.

It can be divided in two parts, 14507 and 28, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 1450728 in words is "one million, four hundred fifty thousand, seven hundred twenty-eight".