427506732 has 72 divisors (see below), whose sum is σ = 1118317200. Its totient is φ = 137593728.

The previous prime is 427506697. The next prime is 427506733. The reversal of 427506732 is 237605724.

It is a happy number.

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 (427506733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183994 + ... + 186302.

Almost surely, 2^427506732 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 427506732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559158600).

427506732 is an abundant number, since it is smaller than the sum of its proper divisors (690810468).

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

427506732 is a wasteful number, since it uses less digits than its factorization.

427506732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495 (or 2490 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 427506732 is about 20676.2359243650. The cubic root of 427506732 is about 753.3225815331.

The spelling of 427506732 in words is "four hundred twenty-seven million, five hundred six thousand, seven hundred thirty-two".