614064321 has 40 divisors (see below), whose sum is σ = 1014631464. Its totient is φ = 367649280.

The previous prime is 614064317. The next prime is 614064343. The reversal of 614064321 is 123460416.

614064321 is a `hidden beast` number, since 6 + 14 + 0 + 643 + 2 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 137733696 + 476330625 = 11736^2 + 21825^2 .

It is not a de Polignac number, because 614064321 - 2² = 614064317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (614064391) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 31081 + ... + 46841.

Almost surely, 2^614064321 is an apocalyptic number.

It is an amenable number.

614064321 is a deficient number, since it is larger than the sum of its proper divisors (400567143).

614064321 is a wasteful number, since it uses less digits than its factorization.

614064321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15823 (or 15814 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 614064321 is about 24780.3212448911. The cubic root of 614064321 is about 849.9720041529.

The spelling of 614064321 in words is "six hundred fourteen million, sixty-four thousand, three hundred twenty-one".