830703420 has 144 divisors (see below), whose sum is σ = 2647636992. Its totient is φ = 210418560.

The previous prime is 830703409. The next prime is 830703499. The reversal of 830703420 is 24307038.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 674205 + ... + 675435.

It is an arithmetic number, because the mean of its divisors is an integer number (18386368).

Almost surely, 2^830703420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 830703420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1323818496).

830703420 is an abundant number, since it is smaller than the sum of its proper divisors (1816933572).

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

830703420 is a wasteful number, since it uses less digits than its factorization.

830703420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 830703420 is about 28821.9260286331. The cubic root of 830703420 is about 940.0450483919.

The spelling of 830703420 in words is "eight hundred thirty million, seven hundred three thousand, four hundred twenty".