1491672 has 64 divisors (see below), whose sum is σ = 4596480. Its totient is φ = 392832.

The previous prime is 1491667. The next prime is 1491683. The reversal of 1491672 is 2761941.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1843 + ... + 2525.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

2^1491672 is an apocalyptic number.

1491672 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 1491672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2298240).

1491672 is an abundant number, since it is smaller than the sum of its proper divisors (3104808).

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

1491672 is a wasteful number, since it uses less digits than its factorization.

1491672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712 (or 708 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 1491672 is about 1221.3402474331. The cubic root of 1491672 is about 114.2591825315.

The spelling of 1491672 in words is "one million, four hundred ninety-one thousand, six hundred seventy-two".