1721614056 has 32 divisors (see below), whose sum is σ = 4313480640. Its totient is φ = 572611968.

The previous prime is 1721614049. The next prime is 1721614121. The reversal of 1721614056 is 6504161271.

It is a super-2 number, since 2×1721614056² = 5927909915633542272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67516 + ... + 89451.

It is an arithmetic number, because the mean of its divisors is an integer number (134796270).

Almost surely, 2^1721614056 is an apocalyptic number.

It is an amenable number.

1721614056 is an abundant number, since it is smaller than the sum of its proper divisors (2591866584).

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

1721614056 is a wasteful number, since it uses less digits than its factorization.

1721614056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157433 (or 157429 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 1721614056 is about 41492.3373166661. The cubic root of 1721614056 is about 1198.5199475099.

The spelling of 1721614056 in words is "one billion, seven hundred twenty-one million, six hundred fourteen thousand, fifty-six".