455730678 has 64 divisors (see below), whose sum is σ = 1105702080. Its totient is φ = 138288384.

The previous prime is 455730643. The next prime is 455730689. The reversal of 455730678 is 876037554.

455730678 is a `hidden beast` number, since 4 + 5 + 573 + 0 + 6 + 78 = 666.

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 31 ways as a sum of consecutive naturals, for example, 46800 + ... + 55692.

It is an arithmetic number, because the mean of its divisors is an integer number (17276595).

Almost surely, 2^455730678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455730678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552851040).

455730678 is an abundant number, since it is smaller than the sum of its proper divisors (649971402).

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

455730678 is a wasteful number, since it uses less digits than its factorization.

455730678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8990 (or 8984 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 455730678 is about 21347.8494935673. The cubic root of 455730678 is about 769.5486633687.

The spelling of 455730678 in words is "four hundred fifty-five million, seven hundred thirty thousand, six hundred seventy-eight".