420759378 has 48 divisors (see below), whose sum is σ = 1024470720. Its totient is φ = 123833952.

The previous prime is 420759377. The next prime is 420759403. The reversal of 420759378 is 873957024.

420759378 is a `hidden beast` number, since 420 + 75 + 93 + 78 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (420759377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33708 + ... + 44471.

It is an arithmetic number, because the mean of its divisors is an integer number (21343140).

Almost surely, 2^420759378 is an apocalyptic number.

420759378 is an abundant number, since it is smaller than the sum of its proper divisors (603711342).

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

420759378 is a wasteful number, since it uses less digits than its factorization.

420759378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78223 (or 78220 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 420759378 is about 20512.4200912520. The cubic root of 420759378 is about 749.3383070549.

The spelling of 420759378 in words is "four hundred twenty million, seven hundred fifty-nine thousand, three hundred seventy-eight".