64240614 has 20 divisors (see below), whose sum is σ = 143946924. Its totient is φ = 21413484.

The previous prime is 64240573. The next prime is 64240639. The reversal of 64240614 is 41604246.

64240614 is a `hidden beast` number, since 6 + 4 + 2 + 40 + 614 = 666.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 198112 + ... + 198435.

Almost surely, 2^64240614 is an apocalyptic number.

64240614 is an abundant number, since it is smaller than the sum of its proper divisors (79706310).

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

64240614 is a wasteful number, since it uses less digits than its factorization.

64240614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396561 (or 396552 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 64240614 is about 8015.0242669626. The cubic root of 64240614 is about 400.5006522735.

The spelling of 64240614 in words is "sixty-four million, two hundred forty thousand, six hundred fourteen".