427927500 has 720 divisors, whose sum is σ = 1910388480. Its totient is φ = 77760000.

The previous prime is 427927471. The next prime is 427927501. The reversal of 427927500 is 5729724.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (427927501) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 22522491 + ... + 22522509.

Almost surely, 2^427927500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427927500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (955194240).

427927500 is an abundant number, since it is smaller than the sum of its proper divisors (1482460980).

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

427927500 is a wasteful number, since it uses less digits than its factorization.

427927500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 427927500 is about 20686.4085814817. The cubic root of 427927500 is about 753.5696498454.

The spelling of 427927500 in words is "four hundred twenty-seven million, nine hundred twenty-seven thousand, five hundred".