1706422728450 has 384 divisors, whose sum is σ = 5034984883200. Its totient is φ = 377806464000.

The previous prime is 1706422728407. The next prime is 1706422728487. The reversal of 1706422728450 is 548272246071.

It is a self number, because there is not a number n which added to its sum of digits gives 1706422728450.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 882783684 + ... + 882785616.

It is an arithmetic number, because the mean of its divisors is an integer number (13111939800).

Almost surely, 2^{1706422728450} is an apocalyptic number.

1706422728450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1706422728450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2517492441600).

1706422728450 is an abundant number, since it is smaller than the sum of its proper divisors (3328562154750).

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

1706422728450 is a wasteful number, since it uses less digits than its factorization.

1706422728450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978 (or 2973 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 1706422728450 in words is "one trillion, seven hundred six billion, four hundred twenty-two million, seven hundred twenty-eight thousand, four hundred fifty".