1421730004 has 24 divisors (see below), whose sum is σ = 2597999040. Its totient is φ = 679487424.

The previous prime is 1421729977. The next prime is 1421730007. The reversal of 1421730004 is 4000371241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421730007) 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, 154032 + ... + 163000.

It is an arithmetic number, because the mean of its divisors is an integer number (108249960).

Almost surely, 2^1421730004 is an apocalyptic number.

It is an amenable number.

1421730004 is a deficient number, since it is larger than the sum of its proper divisors (1176269036).

1421730004 is a wasteful number, since it uses less digits than its factorization.

1421730004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10719 (or 10717 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1421730004 is about 37705.8351452398. The cubic root of 1421730004 is about 1124.4471368097.

The spelling of 1421730004 in words is "one billion, four hundred twenty-one million, seven hundred thirty thousand, four".