1580472 has 56 divisors (see below), whose sum is σ = 4459440. Its totient is φ = 524880.

The previous prime is 1580461. The next prime is 1580479. The reversal of 1580472 is 2740851.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1580479) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 5697 + ... + 5967.

2^1580472 is an apocalyptic number.

1580472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1580472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2229720).

1580472 is an abundant number, since it is smaller than the sum of its proper divisors (2878968).

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

1580472 is an equidigital number, since it uses as much as digits as its factorization.

1580472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 276 counting only the distinct ones).

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

The square root of 1580472 is about 1257.1682464969. The cubic root of 1580472 is about 116.4829252853.

It can be divided in two parts, 15804 and 72, that added together give a square (15876 = 126²).

The spelling of 1580472 in words is "one million, five hundred eighty thousand, four hundred seventy-two".