1421674620 has 192 divisors, whose sum is σ = 4451328000. Its totient is φ = 337353984.

The previous prime is 1421674609. The next prime is 1421674621. The reversal of 1421674620 is 264761241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421674621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1546521 + ... + 1547439.

It is an arithmetic number, because the mean of its divisors is an integer number (23184000).

Almost surely, 2^1421674620 is an apocalyptic number.

1421674620 is a gapful number since it is divisible by the number (10) 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 1421674620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2225664000).

1421674620 is an abundant number, since it is smaller than the sum of its proper divisors (3029653380).

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

1421674620 is a wasteful number, since it uses less digits than its factorization.

1421674620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 1421674620 is about 37705.1007159509. The cubic root of 1421674620 is about 1124.4325355402.

The spelling of 1421674620 in words is "one billion, four hundred twenty-one million, six hundred seventy-four thousand, six hundred twenty".