1421732 has 24 divisors (see below), whose sum is σ = 2822400. Its totient is φ = 621216.

The previous prime is 1421731. The next prime is 1421737. The reversal of 1421732 is 2371241.

It is a super-3 number, since 3×1421732³ = 8621333996537805504, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1421731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269 + ... + 1707.

It is an arithmetic number, because the mean of its divisors is an integer number (117600).

2^1421732 is an apocalyptic number.

It is an amenable number.

1421732 is a deficient number, since it is larger than the sum of its proper divisors (1400668).

1421732 is a wasteful number, since it uses less digits than its factorization.

1421732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475 (or 1473 counting only the distinct ones).

The product of its digits is 336, while the sum is 20.

The square root of 1421732 is about 1192.3640383708. The cubic root of 1421732 is about 112.4447663022. Note that the first 3 decimals are identical.

Adding to 1421732 its reverse (2371241), we get a palindrome (3792973).

The spelling of 1421732 in words is "one million, four hundred twenty-one thousand, seven hundred thirty-two".