427253632 has 48 divisors (see below), whose sum is σ = 921727080. Its totient is φ = 197184000.

The previous prime is 427253621. The next prime is 427253653. The reversal of 427253632 is 236352724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11757 + ... + 31507.

Almost surely, 2^427253632 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 427253632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460863540).

427253632 is an abundant number, since it is smaller than the sum of its proper divisors (494473448).

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

427253632 is a wasteful number, since it uses less digits than its factorization.

427253632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19791 (or 19766 counting only the distinct ones).

The product of its digits is 60480, while the sum is 34.

The square root of 427253632 is about 20670.1144650919. The cubic root of 427253632 is about 753.1738871223.

The spelling of 427253632 in words is "four hundred twenty-seven million, two hundred fifty-three thousand, six hundred thirty-two".