427542720 has 112 divisors (see below), whose sum is σ = 1480889088. Its totient is φ = 103644160.

The previous prime is 427542683. The next prime is 427542743. The reversal of 427542720 is 27245724.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9684 + ... + 30803.

It is an arithmetic number, because the mean of its divisors is an integer number (13222224).

Almost surely, 2^427542720 is an apocalyptic number.

427542720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

427542720 is an abundant number, since it is smaller than the sum of its proper divisors (1053346368).

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

427542720 is a wasteful number, since it uses less digits than its factorization.

427542720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40518 (or 40508 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 427542720 is about 20677.1061805079. The cubic root of 427542720 is about 753.3437194555.

The spelling of 427542720 in words is "four hundred twenty-seven million, five hundred forty-two thousand, seven hundred twenty".