427378720 has 48 divisors (see below), whose sum is σ = 1033179840. Its totient is φ = 166973184.

The previous prime is 427378687. The next prime is 427378727. The reversal of 427378720 is 27873724.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (427378727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24180 + ... + 37939.

It is an arithmetic number, because the mean of its divisors is an integer number (21524580).

Almost surely, 2^427378720 is an apocalyptic number.

427378720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

427378720 is an abundant number, since it is smaller than the sum of its proper divisors (605801120).

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

427378720 is a wasteful number, since it uses less digits than its factorization.

427378720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62177 (or 62169 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 427378720 is about 20673.1400614420. The cubic root of 427378720 is about 753.2473827506.

The spelling of 427378720 in words is "four hundred twenty-seven million, three hundred seventy-eight thousand, seven hundred twenty".