1427772 has 24 divisors (see below), whose sum is σ = 3410176. Its totient is φ = 464688.

The previous prime is 1427753. The next prime is 1427773. The reversal of 1427772 is 2777241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427773) 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 7 ways as a sum of consecutive naturals, for example, 868 + ... + 1899.

2^1427772 is an apocalyptic number.

1427772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1427772 is an abundant number, since it is smaller than the sum of its proper divisors (1982404).

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

1427772 is a wasteful number, since it uses less digits than its factorization.

1427772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817 (or 2815 counting only the distinct ones).

The product of its digits is 5488, while the sum is 30.

The square root of 1427772 is about 1194.8941375704. The cubic root of 1427772 is about 112.6037758473.

The spelling of 1427772 in words is "one million, four hundred twenty-seven thousand, seven hundred seventy-two".