427717740 has 96 divisors (see below), whose sum is σ = 1291530240. Its totient is φ = 105408000.

The previous prime is 427717691. The next prime is 427717793. The reversal of 427717740 is 47717724.

It is a super-2 number, since 2×427717740² = 365884930221415200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42165 + ... + 51315.

It is an arithmetic number, because the mean of its divisors is an integer number (13453440).

Almost surely, 2^427717740 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 427717740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (645765120).

427717740 is an abundant number, since it is smaller than the sum of its proper divisors (863812500).

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

427717740 is a wasteful number, since it uses less digits than its factorization.

427717740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9223 (or 9221 counting only the distinct ones).

The product of its (nonzero) digits is 76832, while the sum is 39.

The square root of 427717740 is about 20681.3379644548. The cubic root of 427717740 is about 753.4465023465.

The spelling of 427717740 in words is "four hundred twenty-seven million, seven hundred seventeen thousand, seven hundred forty".