1530372 has 24 divisors (see below), whose sum is σ = 3621856. Its totient is φ = 502848.

The previous prime is 1530349. The next prime is 1530409. The reversal of 1530372 is 2730351.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3 + ... + 1749.

2^1530372 is an apocalyptic number.

1530372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1530372 is an abundant number, since it is smaller than the sum of its proper divisors (2091484).

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

1530372 is a wasteful number, since it uses less digits than its factorization.

1530372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827 (or 1825 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 1530372 is about 1237.0820506337. The cubic root of 1530372 is about 115.2388733586.

Subtracting from 1530372 its sum of digits (21), we obtain a palindrome (1530351).

The spelling of 1530372 in words is "one million, five hundred thirty thousand, three hundred seventy-two".