427494528 has 96 divisors (see below), whose sum is σ = 1294971600. Its totient is φ = 134991360.

The previous prime is 427494523. The next prime is 427494533. The reversal of 427494528 is 825494724.

It is an interprime number because it is at equal distance from previous prime (427494523) and next prime (427494533).

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (427494521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12123 + ... + 31653.

Almost surely, 2^427494528 is an apocalyptic number.

427494528 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427494528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647485800).

427494528 is an abundant number, since it is smaller than the sum of its proper divisors (867477072).

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

427494528 is a wasteful number, since it uses less digits than its factorization.

427494528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19570 (or 19555 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 427494528 is about 20675.9408008439. The cubic root of 427494528 is about 753.3154131187.

The spelling of 427494528 in words is "four hundred twenty-seven million, four hundred ninety-four thousand, five hundred twenty-eight".