427760628 has 24 divisors (see below), whose sum is σ = 998743200. Its totient is φ = 142496160.

The previous prime is 427760617. The next prime is 427760639. The reversal of 427760628 is 826067724.

It is an interprime number because it is at equal distance from previous prime (427760617) and next prime (427760639).

It is a self number, because there is not a number n which added to its sum of digits gives 427760628.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9898 + ... + 30878.

It is an arithmetic number, because the mean of its divisors is an integer number (41614300).

Almost surely, 2^427760628 is an apocalyptic number.

It is an amenable number.

427760628 is an abundant number, since it is smaller than the sum of its proper divisors (570982572).

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

427760628 is a wasteful number, since it uses less digits than its factorization.

427760628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22687 (or 22685 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 427760628 is about 20682.3748152866. The cubic root of 427760628 is about 753.4716846342.

The spelling of 427760628 in words is "four hundred twenty-seven million, seven hundred sixty thousand, six hundred twenty-eight".