1421734424 has 32 divisors (see below), whose sum is σ = 2909768400. Its totient is φ = 645870720.

The previous prime is 1421734423. The next prime is 1421734427. The reversal of 1421734424 is 4244371241.

It is a super-2 number, since 2×1421734424² = 4042657544773223552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421734421) 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, 199694 + ... + 206690.

Almost surely, 2^1421734424 is an apocalyptic number.

It is an amenable number.

1421734424 is an abundant number, since it is smaller than the sum of its proper divisors (1488033976).

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

1421734424 is a wasteful number, since it uses less digits than its factorization.

1421734424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9323 (or 9319 counting only the distinct ones).

The product of its digits is 21504, while the sum is 32.

The square root of 1421734424 is about 37705.8937568121. The cubic root of 1421734424 is about 1124.4483020687.

The spelling of 1421734424 in words is "one billion, four hundred twenty-one million, seven hundred thirty-four thousand, four hundred twenty-four".